JS_NewCompartmentAndGlobalObject
this article covers features introduced in spidermonkey 1.8.1 js_newcompartmentandglobalobject has been removed in bug 755186.
... use js_newglobalobject instead.
... create a new global object in a new compartment.
...And 6 more matches

MailNews
mailnews stands for "mail and newsgroups".
... mailnews is the back end of the messaging parts of seamonkey and thunderbird.
... it provides a number of functions and capabilities, including: communications protocols - smtp, pop3, imap, nntp message management, including search and filtering message composition address book the mailnews code lives in the mailnews/ directory of comm-central.
...And 5 more matches

JS_NewDependentString
create a new javascript string containing a range of characters from an existing string.
... syntax jsstring * js_newdependentstring(jscontext *cx, js::handlestring str, size_t start, size_t length); name type description cx jscontext * the context in which to create the new string.
... str js::handlestring the string containing the characters for the new string.
...And 5 more matches

JS_NewExternalString
create a new jsstring whose characters are stored in external memory.
... syntax jsstring * js_newexternalstring(jscontext *cx, const char16_t *chars, size_t length, const jsstringfinalizer *fin); jsstring * js_newexternalstringwithclosure(jscontext *cx, jschar *chars, size_t length, int type, void *closure); // obsolete since jsapi 13 name type description cx jscontext * the context in which to create the new string.
...the array must be populated with the desired character data before js_newexternalstring is called, and the array must remain in memory, with its contents unchanged, for as long as the javascript engine needs to hold on to it.
...And 5 more matches

Mailnews and Mail code review requirements
this document describes the process for reviewing patches to the mozilla/mailnews and mozilla/mail directories.
... thunderbird and seamonkey are the primary users of the code in mozilla/mailnews.
...(a fair amount of this code is forked from code in the mailnews/ directory).
...And 5 more matches

Compiling a New C/C++ Module to WebAssembly - WebAssembly
when you’ve written a new code module in a language like c/c++, you can compile it into webassembly using a tool like emscripten.
...take a copy of the following simple c example, and save it in a file called hello.c in a new directory on your local drive: #include <stdio.h> int main(int argc, char ** argv) { printf("hello world\n"); } now, using the terminal window you used to enter the emscripten compiler environment, navigate to the same directory as your hello.c file, and run the following command: emcc hello.c -s wasm=1 -o hello.html the options we’ve passed in with the command are as follows: ...
... first of all, save the following c code in a file called hello2.c, in a new directory: #include <stdio.h> int main(int argc, char ** argv) { printf("hello world\n"); } search for the file shell_minimal.html in your emsdk repo.
...And 5 more matches

Developing New Mozilla Features - Archive of obsolete content
tips for contributing new features to mozilla.
...our portability requirements may be new to even seasoned developers.
... develop relationships with existing developers in the area of your feature if you want to add a big new feature to mail, spend some time helping the existing mail developers.
...And 4 more matches

Adding a new CSS property
this page describes how to add a new css property to the style system.
... this will cause tests of your new property to be added to many of the mochitests in layout/style/test, which can be run with the command "./mach mochitest -f plain layout/style/".
... if you're adding a preference-controlled property to a non-preference-controlled shorthand, you need to call appendvalue for that property if and only if its preference is enabled (and see next point) if you need to check a preference in custom parsing code (e.g., because you're adding a new property to a shorthand, but only conditionally on that property's preference), call nscssprops::isenabled(), which is faster than calling into the preferences code for further understanding of how the parsing code works, you should read and understand the code in nscssparser.cpp.
...And 4 more matches

Bootstrapping a new locale
(see also https://developer.mozilla.org/en/create_a_new_localization) the documentation here is no longer being maintained and is inaccurate.
...to learn how to bootstrap a new locale for mozilla projects, please see those documents.
...1.9.x/editor/locales/ ab-cd/editor cp -r mozilla-1.9.x/extensions/reporter/locales/chrome ab-cd/extensions cp -r mozilla-1.9.x/netwerk/locales/ ab-cd/netwerk cp -r mozilla-1.9.x/other-licenses/branding/firefox/locales/ ab-cd/other-licenses cp -r mozilla-1.9.x/security/manager/locales/ ab-cd/security cp -r mozilla-1.9.x/toolkit/locales/ ab-cd/toolkit getting started change your directory to the new working directory so you are in the ~/[your working directory]/[ab-cd]/ path and can start localizing.
...And 4 more matches

PL_NewHashTable
create a new hash table.
... syntax #include <plhash.h> plhashtable *pl_newhashtable( pruint32 numbuckets, plhashfunction keyhash, plhashcomparator keycompare, plhashcomparator valuecompare, const plhashallocops *allocops, void *allocpriv ); parameters the function has the following parameters: numbuckets the number of buckets in the hash table.
... allocops a pointer to a plhashallocops structure that must exist throughout the lifetime of the new hash table.
...And 4 more matches

PR_NewTCPSocket
creates a new ipv4 tcp socket.
... syntax #include <prio.h> prfiledesc* pr_newtcpsocket(void); returns the function returns one of the following values: upon successful completion, a pointer to the prfiledesc object created for the newly opened ipv4 tcp socket.
... if the creation of a new tcp socket failed, null.
...And 4 more matches

JSNewResolveOp
jsnewresolveop is the type of the jsclass.resolve callback when the jsclass_new_resolve bit is set in the jsclass.flags field.
... syntax typedef bool (* jsnewresolveop)(jscontext *cx, js::handleobject obj, js::handleid id, js::mutablehandleobject objp); name type description cx jscontext * pointer to the js context in which the property access is taking place.
...this hook instead of jsresolveop is called via the jsclass.resolve member if jsclass_new_resolve is set in jsclass.flags.
...And 4 more matches

JS_ClearNewbornRoots
clear a context's newborn roots, which temporarily protect newly allocated values from garbage collection.
... syntax void js_clearnewbornroots(jscontext *cx); name type description cx jscontext * the context to clear.
... description the last gc thing of each type (object, string, double, external string types) created on a given context is kept alive until another thing of the same type is created, using a newborn root in the context.
...And 4 more matches

JS_NewContext
create a new jscontext.
... syntax jscontext * js_newcontext(jsruntime *rt, size_t stackchunksize); name type description rt jsruntime * parent runtime for the new context.
... description js_newcontext creates a new jscontext in the runtime rt.
...And 4 more matches

JS_NewDouble
use js_newnumbervalue instead.
... syntax jsdouble * js_newdouble(jscontext *cx, jsdouble d); name type description cx jscontext * the context in which to create the new number.
... description js_newdouble allocates a copy of the number d on the javascript garbage collection heap.
...And 4 more matches

JS_NewRuntime
syntax jsruntime * js_newruntime(uint32_t maxbytes, uint32_t maxnurserybytes = js::defaultnurserybytes, jsruntime *parentruntime = nullptr); jsruntime * js_newruntime(uint32_t maxbytes, jsusehelperthreads usehelperthreads, jsruntime *parentruntime = nullptr); // deprecated since jsapi 32 name type description maxbytes uint32 maximum number of allocated bytes after which garbage collection is run.
...added in spidermonkey 31 description js_newruntime initializes the javascript runtime environment.
... call js_newruntime before making any other api calls except js_init.
...And 4 more matches

JS_NewUCString
note: js_newstring() was removed in spidermonkey 1.8.5.
... use js_newstringcopyn and js_newucstringcopyn instead.
... syntax jsstring * js_newucstring(jscontext *cx, char16_t *chars, size_t length); jsstring * js_newstring(jscontext *cx, char *buf, size_t length); // obsolete since jsapi 1.8.5 name type description cx jscontext * the context in which to create the new string.
...And 4 more matches

New Skin Notes - Archive of obsolete content
devmo has a new skin that is ready for testing.
...--maian 21:08, 1 sep 2005 (pdt) in the new mw1.5 skin (not the one currently available here) there's class "wrong" and class "wrong-inline".
...--nickolay 09:19, 25 aug 2005 (pdt) (moving this to a new item) on the contrary, the list of categories current page belongs to, should be near the footer (see mdc:policies_and_guidelines page) (dria: fix catlinks style) the arrows that appear if you select "enhanced recent changes" in your preferences have an ugly border around them.
...And 3 more matches

NPN NewStream - Archive of obsolete content
summary requests the creation of a new data stream produced by the plug-in and consumed by the browser.
... syntax #include <npapi.h> nperror npn_newstream(npp instance, npmimetype type, const char* target, npstream** stream); parameters the function has the following parameters: instance pointer to current plug-in instance.
... description npn_newstream creates a new stream of data produced by the plug-in and consumed by the browser.
...And 3 more matches

PR_NewUDPSocket
creates a new udp socket.
... syntax #include <prio.h> prfiledesc* pr_newudpsocket(void); returns the function returns one of the following values: upon successful completion, a pointer to the prfiledesc object created for the newly opened udp socket.
... if the creation of a new udp socket failed, null.
...And 3 more matches

JSNewEnumerateOp
syntax typedef bool (* jsnewenumerateop)(jscontext *cx, js::handleobject obj, js::autoidvector &properties); // added in spidermonkeysidebar 38 typedef bool (* jsnewenumerateop)(jscontext *cx, js::handleobject obj, jsiterateop enum_op, js::mutablehandlevalue statep, js::mutablehandleid idp); // obsolete since jsapi 37 name type description cx jscontext * the context in which the enumeration is taking place.
... description from spidermonkey 38, jsnewenumerateop is the type of objectops::enumerate.
... before jsapi 37, jsnewenumerateop was the type of jsclass.enumerate.
...And 3 more matches

JS_New
this article covers features introduced in spidermonkey 1.8 create an object as though by using the new keyword and a javascript function.
... syntax jsobject * js_new(jscontext *cx, js::handleobject ctor, const js::handlevaluearray& args); // added in jsapi 32 jsobject * js_new(jscontext *cx, jsobject *ctor, unsigned argc, jsval *argv); // obsolete since jsapi 32 name type description cx jscontext * the context in which to create the new object.
...obsolete since jsapi 32 description js_new creates a new object as though by using the new operator, as described in ecma 262-3 §11.2.2.
...And 3 more matches

JS_NewObjectForConstructor
convenience function to create a new object exactly as a constructor function would.
... syntax jsobject * js_newobjectforconstructor(jscontext *cx, const jsclass *clasp, const js::callargs& args); // added in jsapi 32 jsobject * js_newobjectforconstructor(jscontext *cx, jsclass *clasp, const jsval *vp); // added in jsapi 14, obsolete since jsapi 32 jsobject * js_newobjectforconstructor(jscontext *cx, const jsval *vp); // obsolete since jsapi 14 name type description cx jscontext * the context in which to create the new object.
...added in spidermonkey 38 description js_newobjectforconstructor creates a new object exactly as the given constructor would if invoked with new.
...And 3 more matches

JS_NewScriptObject
syntax jsobject * js_newscriptobject(jscontext *cx, jsscript *script); name type description cx jscontext * the context in which to create the new script object.
... script jsscript * the compiled script for which to create a new script object.
... description js_newscriptobject returns the script object associated with the given jsscript.
...And 3 more matches

JS_NewStringCopyZ
create a new javascript string based on a null-terminated c string.
... syntax jsstring * js_newstringcopyz(jscontext *cx, const char *s); jsstring * js_newucstringcopyz(jscontext *cx, const char16_t *s); name type description cx jscontext * pointer to a js context from which to derive runtime information.
... description js_newstringcopyz allocates space for a new javascript string and its underlying storage, and then copies the contents of a null-terminated character array, s, into the new string.
...And 3 more matches

NS_NewLocalFile
« xpcom api reference summary the ns_newlocalfile function creates an instance of nsilocalfile that provides a platform independent representation of a file path.
... #include "nsxpcom.h" #include "nsilocalfile.h" nsresult ns_newlocalfile( const nsastring& apath, prbool afollowlinks, nsilocalfile** aresult ); parameters apath [in] a utf-16 string object that specifies an absolute filesystem path.
... aresult [out] a reference to the newly created nsilocalfile instance.
...And 3 more matches

NS_NewNativeLocalFile
« xpcom api reference summary the ns_newnativelocalfile function creates an instance of nsilocalfile that provides a platform independent representation of a file path.
... #include "nsxpcom.h" #include "nsilocalfile.h" nsresult ns_newnativelocalfile( const nsacstring& apath, prbool afollowlinks, nsilocalfile** aresult ); parameters apath [in] a string object that specifies an absolute filesystem path.
... aresult [out] a reference to the newly created nsilocalfile instance.
...And 3 more matches

MailNews Filters
mailnews filters consist of a set of search terms, and a set of filter actions.
... filter execution is done by evaluating the search terms using the core mailnews/base/search code, and then applying the filter hits when the search terms match.
... for new incoming messages, the protocol specific object that handles new messages calls nsimsgfilterlist::applyfilterstohdr and passes itself in as nsimsgfilterhitnotify interface to handle filter hits.
...And 3 more matches

NPP_New - Archive of obsolete content
« gecko plugin api reference « plug-in side plug-in api summary creates a new instance of a plug-in.
... syntax #include <npapi.h> nperror npp_new(npmimetype plugintype, npp instance, uint16 mode, int16 argc, char *argn[], char *argv[], npsaveddata *saved); parameters the function has the following parameters: plugintype pointer to the mime type for new plug-in instance.
... description npp_new creates a new instance of a plug-in.
...And 2 more matches

NPP_NewStream - Archive of obsolete content
« gecko plugin api reference « plug-in side plug-in api summary notifies a plug-in instance of a new data stream.
... syntax #include <npapi.h> nperror npp_newstream(npp instance, npmimetype type, npstream* stream, npbool seekable, uint16* stype); parameters the function has the following parameters: instance pointer to current plug-in instance.
... stream pointer to new stream.
...And 2 more matches

New in JavaScript 1.3 - Archive of obsolete content
the most significant change in javascript 1.3 was compliance with ecma-262 and unicode by removing inconsistencies between javascript 1.2 and the new ecma standard (which was published in june 1997).
...--> new features in javascript 1.3 new globals nan infinity undefined new methods isfinite() function.prototype.call() function.prototype.apply() date.utc() date.prototype.getfullyear() date.prototype.setfullyear() date.prototype.getmilliseconds() date.prototype.setmilliseconds() date.prototype.getutcfullyear() date.prototype.getutcmonth() date.prototype.getutcdate() date.prototype.
...getutchours() date.prototype.getutcminutes() date.prototype.getutcseconds() date.prototype.getutcmilliseconds() date.prototype.toutcstring() date.prototype.setutcfullyear() date.prototype.setutcmonth() date.prototype.setutcdate() date.prototype.setutchours() date.prototype.setutcminutes() date.prototype.setutcseconds() date.prototype.setutcmilliseconds() other new features strict equality operators unicode support a javascript console was introduced.
...And 2 more matches

New in JavaScript 1.7 - Archive of obsolete content
javascript 1.7 is a language update introducing several new features, in particular generators, iterators, array comprehensions, let expressions, and destructuring assignment.
... using javascript 1.7 in order to use some of the new features of javascript 1.7, you need to specify that you wish to use javascript 1.7.
... in html or xul code, use: <script type="application/javascript;version=1.7"></script> when using the javascript shell, you need to set the version you wish to use using the -version 170 switch on the command line or using the version() function: version(170); the features that require the use of the new keywords "yield" and "let" require you to specify version 1.7 because existing code might use those keywords as variable or function names.
...And 2 more matches

Creating a New Protocol
this is a quick-start on details of how to add a new ipdl protocol to the build.
...you should know what protocol will manage the new protocol and what lifetime issues that creates.
...building the new protocol to build the new protocol declaration and generate headers, make in ipc/ipdl: make -c objdir/ipc/ipdl if there are any protocol-level errors, the ipdl compiler will print the relevant error messages and stop.
...And 2 more matches

MailNews automated testing
automated testing is an increasingly significant and important part of mailnews development.
... this page and its sub-pages describe (and link to) the available test mechanisms within mailnews, and provide supporting information for developers and testers.
... functional testing xpcshell-tests and make check these are core test harnesses to which mailnews adds its own tests.
...And 2 more matches

PR NewProcessAttr
syntax #include <prlink.h> prprocessattr *pr_newprocessattr(void); parameters the function has no parameters.
... returns a pointer to the new process attributes structure.
... description this function creates a new prprocessattr structure that specifies the attributes of a new process, then returns a pointer to the structure.
...And 2 more matches

JS::NewFunctionFromSpec
create a new function based on the given jsfunctionspec.
... syntax jsfunction* js::newfunctionfromspec(jscontext* cx, const jsfunctionspec* fs, handleid id); name type description cx jscontext * the context in which to define functions.
... description js::newfunctionfromspec creates a new function based on the given jsfunctionspec, *fs.
...And 2 more matches

JS_NewNumberValue
syntax jsbool js_newnumbervalue(jscontext *cx, jsdouble d, jsval *rval); name type description cx jscontext * the context in which to create the new number.
... description js_newnumbervalue converts a c floating-point number of type jsdouble to jsval, the type of javascript values.
...otherwise, a new floating-point jsval is created.
...And 2 more matches

JS_NewPlainObject
this article covers features introduced in spidermonkey 38 creates a new plain javascript object.
... syntax jsobject * js_newplainobject(jscontext *cx); name type description cx jscontext * the context in which to create the new object.
... description js_newplainobject creates a new plain object, like new object(), with object.prototype as [[prototype]].
...And 2 more matches

JS_NewRegExpObject
create a new regexp object.
... syntax jsobject * js_newregexpobject(jscontext *cx, js::handleobject obj, const char *bytes, size_t length, unsigned flags); jsobject * js_newucregexpobject(jscontext *cx, js::handleobject obj, const char16_t *chars, size_t length, unsigned flags); jsobject * js_newregexpobjectnostatics(jscontext *cx, char *bytes, size_t length, unsigned flags); jsobject * js_newucregexpobjectnostatics(jscontext *cx, char16_t *chars, size_t length, unsigned flags); name type description cx jscontext * the context in which to create the new object.
... y description js_newregexpobject and js_newucregexpobject create a new regexp instance.
...And 2 more matches

IDBVersionChangeEvent.newVersion - Web APIs
the newversion read-only property of the idbversionchangeevent interface returns the new version number of the database.
... syntax var newversion = idbversionchangeevent.newversion value a 64-bit integer.
... db = dbopenrequest.result; }; specifications specification status comment indexed database api 2.0the definition of 'newversion' in that specification.
...And 2 more matches

WebGLRenderingContext.lineWidth() - Web APIs
the webglrenderingcontext.linewidth() method of the webgl api sets the line width of rasterized lines.
... syntax void gl.linewidth(width); parameters width a glfloat specifying the width of rasterized lines.
... examples setting the line width: gl.linewidth(5); getting the line width: gl.getparameter(gl.line_width); getting the range of available widths.
...And 2 more matches

New in JavaScript 1.8.5 - Archive of obsolete content
new features in javascript 1.8.5 new functions function description object.create() creates a new object with the specified prototype object and properties.
... function.prototype.bind() creates a new function that, when called, itself calls this function in the context provided (with a given sequence of arguments).
... bug 429507 new ecmascript5 features get and set operators now allows the identifier to be numeric or a string.
... new objects object description old proxy api offers support for creating object and function proxies that enable meta-programming in javascript.

New in JavaScript 1.8 - Archive of obsolete content
using javascript 1.8 in order to use some of the new features of javascript 1.8 in html, use: <script type="application/javascript;version=1.8"> ...
... the features that require the use of the new keywords "yield" and "let" require you to specify version 1.7 or higher because existing code might use those keywords as variable or function names.
... the features that do not introduce new keywords (such as generator expressions) can be used without specifying the javascript version.
... new features in javascript 1.8 expression closures.

PR_NewLogModule
creates a new log module.
... syntax #include <prlog.h> prlogmoduleinfo* pr_newlogmodule(const char *name); parameters the function has this parameter: name the name to be assigned to the prlogmoduleinfo structure.
... description this function allocates and initializes a new prlogmoduleinfo structure with the specified name.
... if the environment variable nspr_log_modules contains the specified name, then the associated level value from the variable is associated with the new prlogmoduleinfo structure.

PR_NewThreadPrivateIndex
returns a new index for a per-thread private data table and optionally associates a destructor with the data that will be assigned to the index.
... syntax #include <prthread.h> prstatus pr_newthreadprivateindex( pruintn *newindex, prthreadprivatedtor destructor); parameters pr_newthreadprivateindex has the following parameters: newindex on output, an index that is valid for all threads in the process.
... description if pr_newthreadprivateindex is successful, every thread in the same process is capable of associating private data with the new index.
...if a destructor function is registered with a new index, it will be called at one of two times, as long as the private data is not null: when replacement private data is set with pr_setthreadprivate when a thread exits the index maintains independent data values for each binding thread.

JS_NewDoubleValue
create a floating-point jsval syntax jsbool js_newdoublevalue(jscontext *cx, jsdouble d, jsval *rval); name type description cx jscontext * the context in which to create the new number.
... description js_newdoublevalue creates a floating-point jsval.
...if it is, js_newdoublevalue creates a bad jsval that might behave as desired in some cases but not others.
...on success, js_newdoublevalue stores a numeric jsval in *rval and returns js_true.

MailNews Protocols
those protocols all have the following, defined in the corresponding protocol subdirectory of mailnews (i.e., mailnews/imap, mailnews/local (for pop3), mailnews/news): an incoming server class, which implements nsimsgincomingserver and inherits from mailnews/base/util/nsmsgincomingserver, i.e.., nspop3incomingserver, nsimapincomingserver, nsnntpincomingserver.
...nsimapmailfolder, nsnewsfolder, nslocalmailfolder (for pop3) a service class, which generally sits between the folder object or the server object, and the protocol object.
...these implement nsimsgmailnewsurl, inherit from base/util/nsmsgmailnewsurl, and implement their own protocol-specific interface (nsiimapurl, nsinntpurl, nsipop3url).
...these implement nsimsgprotocol, inherit from nsmsgprotocol, and implement their own protocol-specific interface (nsiimapprotocol, nsipop3protocol, nsinntpprotocol) in addition, in mailnews/db/msgdb/public, we have protocol-specific msg db classes (and in the case of news, a nsinewsdatabase interface), so that we can use polymorphism when msg db operations need to be specialized for different kinds of folders.

CanvasRenderingContext2D.lineWidth - Web APIs
the canvasrenderingcontext2d.linewidth property of the canvas 2d api sets the thickness of lines.
... syntax ctx.linewidth = value; options value a number specifying the line width, in coordinate space units.
... html <canvas id="canvas"></canvas> javascript const canvas = document.getelementbyid('canvas'); const ctx = canvas.getcontext('2d'); ctx.linewidth = 15; ctx.beginpath(); ctx.moveto(20, 20); ctx.lineto(130, 130); ctx.rect(40, 40, 70, 70); ctx.stroke(); result more examples for more examples and explanation about this property, see applying styles and color in the canvas tutorial.
... specifications specification status comment html living standardthe definition of 'canvasrenderingcontext2d.linewidth' in that specification.

New in JavaScript 1.2 - Archive of obsolete content
--> new features in javascript 1.2 new objects you can create objects using literal notation (inspired by dictionary literal syntax from python 1.x).
... arguments new properties function.arity new methods array.prototype.concat() array.prototype.slice() string.prototype.charcodeat() string.prototype.concat() string.fromcharcode() string.prototype.match() string.prototype.replace() string.prototype.search() string.prototype.slice() string.prototype.substr() new operators delete equality operators (== and !=) new statements labeled statements switch do...while import export other new features regular expressions signed scripts changed functionality in javascript 1.2 you can now nest functions within functions.
... the break and continue statements can now be used with the new labeled statement.

New in JavaScript - Archive of obsolete content
with new ecma standards, javascript language features are now often mentioned with their initial definition in ecma-262 editions such as ecmascript 2015.
... includes ecmascript for xml (e4x), new array methods plus string and array generics.
... includes many new features for ecma-262 edition 5 compliance.

PR_NewCondVar
creates a new condition variable.
... syntax #include <prcvar.h> prcondvar* pr_newcondvar(prlock *lock); parameter pr_newcondvar has one parameter: lock the identity of the mutex that protects the monitored data, including this condition variable.
... returns the function returns one of the following values: if successful, a pointer to the new condition variable object.

PR_NewLock
creates a new lock.
... syntax #include <prlock.h> prlock* pr_newlock(void); returns the function returns one of the following values: if successful, a pointer to the new lock object.
... description pr_newlock creates a new opaque lock.

PR_NewMonitor
creates a new monitor object.
... syntax #include <prmon.h> prmonitor* pr_newmonitor(void); returns the function returns one of the following values: if successful, a pointer to a prmonitor object.
... description a newly created monitor has an entry count of zero.

JS_NewDateObjectMsec
this article covers features introduced in spidermonkey 1.8.5 creates a new date object instance, configured to represent the date and time indicated by the specified time in milliseconds since the unix epoch.
... syntax jsobject * js_newdateobjectmsec(jscontext *cx, double msec); name type description cx jscontext * the context.
...see also mxr id search for js_newdateobjectmsec js_newdateobject js_objectisdate bug 625870 ...

HashChangeEvent.newURL - Web APIs
the newurl read-only property of the hashchangeevent interface returns the new url to which the window is navigating.
... syntax let neweventurl = event.newurl; value a domstring.
... example window.addeventlistener('hashchange', function(event) { console.log('hash changed to ' + event.newurl); }); specifications specification status comment html living standardthe definition of 'hashchangeevent: newurl' in that specification.

newlines - Archive of obsolete content
« xul reference home newlines type: one of the values below how the text box handles pastes with newlines in them.
... possible values: pasteintact paste newlines unchanged pastetofirst paste text up to the first newline, dropping the rest of the text replacewithcommas pastes the text with the newlines replaced with commas replacewithspaces pastes the text with newlines replaced with spaces strip pastes the text with the newlines removed stripsurroundingwhitespace pastes the text with newlines and adjacent whitespace removed ...

New in JavaScript 1.6 - Archive of obsolete content
several new features were introduced: e4x, several new array methods, and array and string generics.
... new features in javascript 1.6 support for ecmascript for xml (e4x) for creating and processing xml content within javascript has been added.

Using your new knowledge - Learn web development
objective: to have a play with some css and test your new-found knowledge.
... getting started with css how css is structured how css works using your new knowledge ...

New NSS Samples
new nss sample code this collection of sample code demonstrates how nss can be used for cryptographic operations, certificate handling, ssl, etc.
... these new examples are a work in progress.

ReadableStreamBYOBRequest.respondWithNewView() - Web APIs
the respondwithnewview() method of the readablestreambyobrequest interface xxx syntax readablestreambyobrequestinstance.respondwithnewview(view); parameters view xxx return value void.
... specifications specification status comment streamsthe definition of 'respondwithnewview()' in that specification.

New Security Model for Web Services - Archive of obsolete content
adjustments as this new model is applied to soap, and potentially document.load or xml-request, it may be desirable to eliminate the same source security bypass, because it is not clear that this is always secure.

onnewtab - Archive of obsolete content
« xul reference home onnewtab not in firefox type: script code this script will be called when the new tab button is clicked.

tooltiptextnew - Archive of obsolete content
« xul reference home tooltiptextnew not in firefox type: string used to set the text which appears in the tooltip when the user moves the mouse over the new button in the tab row.

New in JavaScript 1.1 - Archive of obsolete content
--> new features in javascript 1.1 new objects array boolean function number new properties number.max_value number.min_value nan number.negative_infinity number.positive_infinity new methods array.prototype.join() array.prototype.reverse() array.prototype.sort() array.prototype.split() new operators typeof void other new features <noscript> liveconnect.

New in JavaScript 1.4 - Archive of obsolete content
new features in javascript 1.4 exception handling (throw and try...catch) in operator instanceof operator changed functionality in javascript 1.4 eval() changes (cannot be called indirectly and no longer a method of object) arguments not a property of functions deprecated function.arity in favor of function.length changes to liveconnect ...

New in JavaScript 1.5 - Archive of obsolete content
new features in javascript 1.5 number.prototype.toexponential() number.prototype.tofixed() number.prototype.toprecision() const is now a reserved word.

New in JavaScript 1.8.1 - Archive of obsolete content
new features in javascript 1.8.1 object.getprototypeof() support for native json string.prototype.trim() string.prototype.trimleft() string.prototype.trimright() changed functionality in javascript 1.8.1 implicit setting of properties in object and array initializers no longer execute setters in javascript.

Adding a new Telemetry probe
adding new telemetry probes is now documented in the mozilla source tree docs.

PR_NEW
syntax #include <prmem.h> _type * pr_new(_struct); parameter _struct the name of a type.

PR_NEWZAP
syntax #include <prmem.h> _type * pr_newzap(_struct); parameter _struct the name of a type.

PR_NewPollableEvent
syntax nspr_api(prfiledesc *) pr_newpollableevent( void); parameter none.

JS_NewPropertyIterator
syntax jsobject * js_newpropertyiterator(jscontext *cx, js::handle<jsobject*> obj); name type description cx jscontext * the js context in which to enumerate properties.

Tips and Tricks from the newsgroups
in the default thunderbird message window (when messageuri, folderuri and gdbview are unknown) determine whether a message has been flagged as junk imap: getting message key of copied message by nsimsgcopyservice::copyfilemessage access the plain text content of the email body get information about attachment without selecting message repeat image display using css sprites scan for new messages at startup and manually scan a folder initiated by user force listeners to run consecutively to prevent pop messages from getting garbled during message retrieval ...

Index - Web APIs
7 abortcontroller.abortcontroller() api, abortcontroller, constructor, experimental, fetch, reference the abortcontroller() constructor creates a new abortcontroller object instance.
... 15 absoluteorientationsensor api, absoluteorientationsensor, constructor, generic sensor api, orientation sensor api, reference, sensor, sensor apis, sensors the absoluteorientationsensor constructor creates a new absoluteorientationsensor object which describes the device's physical orientation in relation to the earth's reference coordinate system.
... 25 accelerometer.accelerometer() api, accelerometer, accelerometer api, constructor, generic sensor api, reference, sensor, sensor apis, sensors the accelerometer constructor creates a new accelerometer object which returns the acceleration of the device along all three axes at the time it is read.
...And 370 more matches

Index - Archive of obsolete content
67 windows add-on sdk enumerate and examine open browser windows, open new windows, and listen for window events.
... 189 html to dom code snippets, dom, guide, html, intermediate, needsupdate although you can now natively parse html using domparser and xmlhttprequest, this is a new feature that is not yet supported by all browsers in use in the wild.
... the code snippets on this page will let your site work until these new features are more widely available.
...And 100 more matches

Index
it will detect and open an existing database, or it can create a new one.
...usually, nss will flush all data to disk as soon as new data has been added to permanent storage.
...the file could be named secmod.db, but in newer database generations a file named pkcs11.txt is used.
...And 96 more matches

Index
2 creating javascript tests automated testing, build documentation, guide, qa, spidermonkey in which test suite does your new test belong?
...whenever practical, new code and changes should move code closer to the ideal future.
...in this case, the application can still convert i to a jsval using js_newnumbervalue.
...And 73 more matches

StringView - Archive of obsolete content
r strings (i.e., an array of character codes — an arraybufferview in javascript) based upon the javascript arraybuffer interface to create a highly extensible library that anyone can extend by adding methods to the object stringview.prototype to create a collection of methods for such string-like objects (since now: stringviews) which work strictly on arrays of numbers rather than on creating new immutable javascript strings to work with unicode encodings other than javascript's default utf-16 domstrings introduction as web applications become more and more powerful, adding features such as audio and video manipulation, access to raw data using websockets, and so forth, it has become clear that there are times when it would be helpful for javascript code to be able to quickly and easi...
...; ftaview = uint16array; break encswitch; case "utf-32": ftaview = uint32array; ntranscrtype &= 14; break encswitch; default: /* case "ascii", or case "binarystring" or unknown cases */ ftaview = uint8array; ntranscrtype &= 14; } typeswitch: switch (typeof vinput) { case "string": /* the input argument is a primitive string: a new buffer will be created.
... */ ntranscrtype &= 7; break typeswitch; case "object": classswitch: switch (vinput.constructor) { case stringview: /* the input argument is a stringview: a new buffer will be created.
...And 71 more matches

Theme changes in Firefox 2 - Archive of obsolete content
feeds/addfeedreader.xul feeds/addfeedreader.css new file that presents ui for adding a new feed reader.
... feeds/subscribe.xhtml feeds/subscribe.css new file that presents the ui for subscribing to an rss feed.
... safebrowsing/warning-overlay.xul safebrowsing/browser-protection.css new file containing the overlay that's drawn over the browser when you browse to a suspected phishing site.
...And 62 more matches

Window.open() - Web APIs
the window interface's open() method loads the specified resource into the new or existing browsing context (window, <iframe> or tab) with the specified name.
... if the name doesn't exist, then a new browsing context is opened in a new tab or a new window, and the specified resource is loaded into it.
... windowname optional a domstring specifying the name of the browsing context (window, <iframe> or tab) into which to load the specified resource; if the name doesn't indicate an existing context, a new window is created and is given the name specified by windowname.
...And 60 more matches

Index
it is a possiblity that is introduced when upgrading to a new compiler without recompiling everything.
...the new nsigenericfactory interface takes this a step further, by providing a single interface that can be reused anytime a simple implementation of nsifactory is needed.
... here is the interface, and a description of its use.</t> 10 how to pass an xpcom object to a new window needsexample, needshelp if you want to be able to call functions within an xpcom object from a xul window's code, you can do so if you pass the xpcom object as one of the arguments to the window creation method.
...And 51 more matches

nsIFile
to create an nsifile from a path you can use fileutils.jsm: var fileutils = cu.import("resource://gre/modules/fileutils.jsm").fileutils var nsifile = new fileutils.file( filename ) note: nsilocalfile was merged with this interface in gecko 14.
... void appendrelativenativepath(in acstring relativefilepath); void appendrelativepath(in astring relativefilepath); nsifile clone(); boolean contains(in nsifile infile); void copyto(in nsifile newparentdir, in astring newname); void copytofollowinglinks(in nsifile newparentdir, in astring newname); void copytofollowinglinksnative(in nsifile newparentdir, in acstring newname); native code only!
... void copytonative(in nsifile newparentdir, in acstring newname); native code only!
...And 47 more matches

jspage - Archive of obsolete content
on"){b[c]=function(){var d=array.prototype.slice.call(arguments); return b.prototype[c].apply(d.shift(),d);};}};native.implement=function(d,c){for(var b=0,a=d.length;b<a;b++){d[b].implement(c);}};native.typize=function(a,b){if(!a.type){a.type=function(c){return($type(c)===b); };}};(function(){var a={array:array,date:date,function:function,number:number,regexp:regexp,string:string};for(var h in a){new native({name:h,initialize:a[h],protect:true}); }var d={"boolean":boolean,"native":native,object:object};for(var c in d){native.typize(d[c],c);}var f={array:["concat","indexof","join","lastindexof","pop","push","reverse","shift","slice","sort","splice","tostring","unshift","valueof"],string:["charat","charcodeat","concat","indexof","lastindexof","match","replace","search","slice","split","substr",...
..."substring","tolowercase","touppercase","valueof"]}; for(var e in f){for(var b=f[e].length;b--;){native.genericize(a[e],f[e][b],true);}}})();var hash=new native({name:"hash",initialize:function(a){if($type(a)=="hash"){a=$unlink(a.getclean()); }for(var b in a){this[b]=a[b];}return this;}});hash.implement({foreach:function(b,c){for(var a in this){if(this.hasownproperty(a)){b.call(c,this[a],a,this); }}},getclean:function(){var b={};for(var a in this){if(this.hasownproperty(a)){b[a]=this[a];}}return b;},getlength:function(){var b=0;for(var a in this){if(this.hasownproperty(a)){b++; }}return b;}});hash.alias("foreach","each");array.implement({foreach:function(c,d){for(var b=0,a=this.length;b<a;b++){c.call(d,this[b],b,this);}}});array.alias("foreach","each"); function $a(b){if(b.item){var a=b.lengt...
...h,c=new array(a);while(a--){c[a]=b[a];}return c;}return array.prototype.slice.call(b);}function $arguments(a){return function(){return arguments[a]; };}function $chk(a){return !!(a||a===0);}function $clear(a){cleartimeout(a);clearinterval(a);return null;}function $defined(a){return(a!=undefined);}function $each(c,b,d){var a=$type(c); ((a=="arguments"||a=="collection"||a=="array")?array:hash).each(c,b,d);}function $empty(){}function $extend(c,a){for(var b in (a||{})){c[b]=a[b];}return c; }function $h(a){return new hash(a);}function $lambda(a){return($type(a)=="function")?a:function(){return a;};}function $merge(){var a=array.slice(arguments); a.unshift({});return $mixin.apply(null,a);}function $mixin(e){for(var d=1,a=arguments.length;d<a;d++){var b=arguments[d];if($type(b)!="object"){continue;...
...And 44 more matches

Details of the object model - JavaScript
a prototype-based language has the notion of a prototypical object, an object used as a template from which to get the initial properties for a new object.
...you use the new operator in association with the constructor method to create class instances.
...you use the new operator with a constructor function to create a new object.
...And 43 more matches

Bytecode Descriptions
newtarget stack: ⇒ new.target push the value of new.target.
...this must be used only in scripts where new.target is allowed: non-arrow function scripts and other scripts that have a non-arrow function script on the scope chain.
... implements: getnewtarget.
...And 41 more matches

JXON - Archive of obsolete content
|*| http://www.gnu.org/licenses/gpl-3.0-standalone.html |*| \*/ function parsetext (svalue) { if (/^\s*$/.test(svalue)) { return null; } if (/^(?:true|false)$/i.test(svalue)) { return svalue.tolowercase() === "true"; } if (isfinite(svalue)) { return parsefloat(svalue); } if (isfinite(date.parse(svalue))) { return new date(svalue); } return svalue; } function jxontree (oxmlparent) { var nattrlen = 0, nlength = 0, scollectedtxt = ""; if (oxmlparent.haschildnodes()) { for (var onode, sprop, vcontent, nitem = 0; nitem < oxmlparent.childnodes.length; nitem++) { onode = oxmlparent.childnodes.item(nitem); if ((onode.nodetype - 1 | 1) === 3) { scollectedtxt += onode.nodetype === 3 ?
... onode.nodevalue.trim() : onode.nodevalue; } // nodetype is "text" (3) or "cdatasection" (4) else if (onode.nodetype === 1 && !onode.prefix) { // nodetype is "element" (1) sprop = onode.nodename.tolowercase(); vcontent = new jxontree(onode); if (this.hasownproperty(sprop)) { if (this[sprop].constructor !== array) { this[sprop] = [this[sprop]]; } this[sprop].push(vcontent); } else { this[sprop] = vcontent; nlength++; } } } this.keyvalue = parsetext(scollectedtxt); } else { this.keyvalue = null; } if (oparentnode.hasattributes && oxmlparent.hasattributes()) { var oattrib; this.keyattributes = {}; for (nattrlen; nattrlen < oxmlparent.attributes.length; nattrlen++) { oattrib = oxmlparent.attributes.item(...
...nt++; } return null; }; jxontree.prototype.getattribute = function (nattrid) { if (nattrlen === 0 || nattrid + 1 > nattrlen) { return null; } var nattr = 0; for (var sattrname in this.keyattributes) { if (nattr === nattrid) { return this.keyattributes[sattrname]; } nattr++; } return null; }; jxontree.prototype.haschildren = function () { return this.keylength > 0; }; */ var myobject = new jxontree(doc); // we got our javascript object!
...And 33 more matches

sslfnc.html
they might wish to do this if they knew, somehow, that the server does not understand ssl2-compatible client hello messages.
...if an application attempts to set or set the policy or preference for one of the old fips cipher suite numbers, the library recognizes the old number and sets or gets the value for the new cipher suite number instead.
...otherwise, the old settings remain in the session cache and will be used instead of the new settings.
...And 31 more matches

RDF Modifications - Archive of obsolete content
« previousnext » one of the most useful aspects of using templates with rdf datasources is that when the rdf datasource changes, for instance a new triple is added, or a triple is removed, the template updates accordingly, adding or removing result output as needed.
...the template builder uses these notifcations to update the template as necessary based on the new or removed information.
...there are four such functions: 'assert', to add a new triple (or arrow) to the rdf graph, 'unassert' to remove a triple, 'change' to adjust the target of a triple, and 'move' to adjust the source of a 'triple'.
...And 27 more matches

Drawing graphics - Learn web development
in the second line we set both a new constant width and the canvas' width property equal to window.innerwidth (which gives us the viewport width).
... in the third line we set both a new constant height and the canvas' height property equal to window.innerheight (which gives us the viewport height).
... first of all, take a copy of your newly coded canvas template (or make a local copy of 1_canvas_template.html if you didn't follow the above steps).
...And 27 more matches

Index
these pages document thunderbird and the mailnews backend which is also used in other projects such as seamonkey and postbox.
... 7 address book interfaces mailnews, mozilla, seamonkey, thunderbird this page contains a list of the interfaces that you'll will most likely hit when writing patches for the address book or writing extensions.
... 8 address book examples mailnews, seamonkey, thunderbird this article provides examples on accessing and manipulating thunderbird address books.
...And 27 more matches

Advanced Svelte: Reactivity, lifecycle, accessibility - Learn web development
the following new components will be developed throughout the course of this article: moreactions: displays the check all and remove completed buttons, and emits the corresponding events required to handle their functionality.
... newtodo: displays the <input> field and add button for adding a new todo.
... create a new file — components/moreactions.svelte.
...And 26 more matches

NSS tools : certutil
it can specifically list, generate, modify, or delete certificates, create or change the password, generate new public and private key pairs, display the contents of the key database, or delete key pairs within the key database.
... -c create a new binary certificate file from a binary certificate request file.
... -g generate a new public and private key pair within a key database.
...And 26 more matches

certutil
it can also list, generate, modify, or delete certificates within the database, create or change the password, generate new public and private key pairs, display the contents of the key database, or delete key pairs within the key database.
... -c create a new binary certificate file from a binary certificate request file.
... -g generate a new public and private key pair within a key database.
...And 26 more matches

nsINavBookmarksService
avbookmarksservice = components.classes["@mozilla.org/browser/nav-bookmarks-service;1"] .getservice(components.interfaces.nsinavbookmarksservice); method overview void addobserver(in nsinavbookmarkobserver observer, in boolean ownsweak); void beginupdatebatch(); obsolete since gecko 1.9 void changebookmarkuri(in long long aitemid, in nsiuri anewuri); long long createdynamiccontainer(in long long aparentfolder, in autf8string aname, in astring acontractid, in long aindex); note: renamed from createcontainer in gecko 1.9 obsolete since gecko 13.0 long long createfolder(in long long aparentfolder, in autf8string name, in long index); void endupdatebatch(); obsolete since gecko 1.9 void exportbookmarkshtml...
....9 long long insertbookmark(in long long aparentid, in nsiuri auri, in long aindex, in autf8string atitle); void insertitem(in print64 folder, in nsiuri item, in print32 index); obsolete since gecko 1.9 long long insertseparator(in long long aparentid, in long aindex); boolean isbookmarked(in nsiuri auri); void movefolder(in print64 folder, in print64 newparent, in print32 index); obsolete since gecko 1.9 void moveitem(in long long aitemid, in long long anewparentid, in long aindex); void removechildat(in long long afolder, in long aindex); obsolete since gecko 2.0 void removefolder(in long long afolder); obsolete since gecko 2.0 void removefolderchildren(in long long aitemid); void removeitem(in long ...
...long aitemid); void removeobserver(in nsinavbookmarkobserver observer); void replaceitem(in print64 folder, in nsiuri item, in nsiuri newitem); obsolete since gecko 1.9 void runinbatchmode(in nsinavhistorybatchcallback acallback, in nsisupports auserdata); void setfolderreadonly(in long long afolder, in boolean areadonly); void setfoldertitle(in print64 folder, in astring title); obsolete since gecko 1.9 void setitemdateadded(in long long aitemid, in prtime adateadded); void setitemguid(in long long aitemid, in astring aguid); obsolete since gecko 14.0 void setitemindex(in long long aitemid, in long anewindex); void setitemlastmodified(in long long aitemid, in prtime alastmodified); void setitemtit...
...And 26 more matches

nsINavHistoryResultObserver
atogglemode); void containerclosed(in nsinavhistorycontainerresultnode acontainernode); deprecated since gecko 2.0 obsolete since gecko 11.0 void containeropened(in nsinavhistorycontainerresultnode acontainernode); deprecated since gecko 2.0 obsolete since gecko 11.0 void containerstatechanged(in nsinavhistorycontainerresultnode acontainernode, in unsigned long aoldstate, in unsigned long anewstate); void invalidatecontainer(in nsinavhistorycontainerresultnode acontainernode); void nodeannotationchanged(in nsinavhistoryresultnode anode, in autf8string aannoname); void nodedateaddedchanged(in nsinavhistoryresultnode anode, in prtime anewvalue); void nodehistorydetailschanged(in nsinavhistoryresultnode anode, in prtime anewvisitdate, in unsigned long anewaccesscount); void node...
...iconchanged(in nsinavhistoryresultnode anode); void nodeinserted(in nsinavhistorycontainerresultnode aparent, in nsinavhistoryresultnode anode, in unsigned long anewindex); void nodekeywordchanged(in nsinavhistoryresultnode anode, in autf8string anewkeyword); void nodelastmodifiedchanged(in nsinavhistoryresultnode anode, in prtime anewvalue); void nodemoved(in nsinavhistoryresultnode anode, in nsinavhistorycontainerresultnode aoldparent, in unsigned long aoldindex, in nsinavhistorycontainerresultnode anewparent, in unsigned long anewindex); void noderemoved(in nsinavhistorycontainerresultnode aparent, in nsinavhistoryresultnode aitem, in unsigned long aoldindex); void nodereplaced(in nsinavhistorycontainerresultnode aparentnode, in nsinavhistoryresultnode aoldnode, in nsinavhistor...
...yresultnode anewnode, in unsigned long aindex); void nodetagschanged(in nsinavhistoryresultnode anode); void nodetitlechanged(in nsinavhistoryresultnode anode, in autf8string anewtitle); void nodeurichanged(in nsinavhistoryresultnode anode, in autf8string anewuri); void sortingchanged(in unsigned short sortingmode); attributes attribute type description result nsinavhistoryresult the nsinavhistoryresult this observer monitors.
...And 25 more matches

Textbox (XPFE autocomplete) - Archive of obsolete content
autocompletesearch new in thunderbird 2requires seamonkey 1.1 type: space-separated list of values a space-separated list of search component names, each of which implements the nsiautocompletesearch interface.
... mydomain new in thunderbird 3 requires seamonkey 2.0 the user's email domain is suggested.
... gloda new in thunderbird 3 addrbook new in thunderbird 3 requires seamonkey 2.0 the user's address book is searched.
...And 24 more matches

Inheritance and the prototype chain - JavaScript
here is what happens when trying to access a property: // let's create an object o from function f with its own properties a and b: let f = function () { this.a = 1; this.b = 2; } let o = new f(); // {a: 1, b: 2} // add properties in f function's prototype f.prototype.b = 3; f.prototype.c = 4; // do not set the prototype f.prototype = {b:3,c:4}; this will break the prototype chain // o.[[prototype]] has properties b and c.
... results in: { foo: "bar", constructor: ƒ dosomething(), __proto__: { constructor: ƒ object(), hasownproperty: ƒ hasownproperty(), isprototypeof: ƒ isprototypeof(), propertyisenumerable: ƒ propertyisenumerable(), tolocalestring: ƒ tolocalestring(), tostring: ƒ tostring(), valueof: ƒ valueof() } } we can now use the new operator to create an instance of dosomething() based on this prototype.
... to use the new operator, simply call the function normally except prefix it with new.
...And 24 more matches

Inner-browsing extending the browser navigation paradigm - Archive of obsolete content
introduction when you click a link on a web page, your web browser makes a request to a web server which usually results in a new web page as a response.
... that new page may have links that take you to other pages, which may in turn have more links, and so on.
...recently, however, modern browsers and enriched web standards have begun to make new navigational and presentational models possible.
...And 23 more matches

Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
before i go into the differences between mozilla and internet explorer, i'll cover some basic ways you can make a web application extensible in order to add new browser support later.
... var elm; if (ns4) elm = document.layers["myid"]; else if (ie4) elm = document.all["myid"] the above code isn't extensible, so if you want it to support a new browser, you must update these blocks throughout the web application.
... the easiest way to eliminate the need to recode for a new browser is to abstract out functionality.
...And 23 more matches

SpiderMonkey 1.8
it is much faster than spidermonkey 1.7 and contains a few new language features and api features, described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
... there is a minor known bug in the new javascript 1.8 functionality.
...And 23 more matches

Color picker tool - CSS: Cascading Style Sheets
360 * @param saturation 0-100 * @param value 0-100 * @param lightness 0-100 */ function color(color) { if(color instanceof color === true) { this.copy(color); return; } this.r = 0; this.g = 0; this.b = 0; this.a = 1; this.hue = 0; this.saturation = 0; this.value = 0; this.lightness = 0; this.format = 'hsv'; } function rgbcolor(r, g, b) { var color = new color(); color.setrgba(r, g, b, 1); return color; } function rgbacolor(r, g, b, a) { var color = new color(); color.setrgba(r, g, b, a); return color; } function hsvcolor(h, s, v) { var color = new color(); color.sethsv(h, s, v); return color; } function hsvacolor(h, s, v, a) { var color = new color(); color.sethsv(h, s, v); color.a = a; return color; } functio...
...n hslcolor(h, s, l) { var color = new color(); color.sethsl(h, s, l); return color; } function hslacolor(h, s, l, a) { var color = new color(); color.sethsl(h, s, l); color.a = a; return color; } color.prototype.copy = function copy(obj) { if(obj instanceof color !== true) { console.log('typeof parameter not color'); return; } this.r = obj.r; this.g = obj.g; this.b = obj.b; this.a = obj.a; this.hue = obj.hue; this.saturation = obj.saturation; this.value = obj.value; this.format = '' + obj.format; this.lightness = obj.lightness; }; color.prototype.setformat = function setformat(format) { if (format === 'hsv') this.format = 'hsv'; if (format === 'hsl') this.format = 'hsl'; }; /*========== methods to set color properties ==========...
...n value.touppercase(); }; color.prototype.getrgba = function getrgba() { var rgb = '(' + this.r + ', ' + this.g + ', ' + this.b; var a = ''; var v = ''; var x = parsefloat(this.a); if (x !== 1) { a = 'a'; v = ', ' + x; } var value = 'rgb' + a + rgb + v + ')'; return value; }; color.prototype.gethsla = function gethsla() { if (this.format === 'hsv') { var color = new color(this); color.setformat('hsl'); color.updatehsx(); return color.gethsla(); } var a = ''; var v = ''; var hsl = '(' + this.hue + ', ' + this.saturation + '%, ' + this.lightness +'%'; var x = parsefloat(this.a); if (x !== 1) { a = 'a'; v = ', ' + x; } var value = 'hsl' + a + hsl + v + ')'; return value; }; color.prototype.getcolor = function getcolor() { ...
...And 23 more matches

A re-introduction to JavaScript (JS tutorial) - JavaScript
javascript's types are: number string boolean function object symbol (new in es2015) ...
...so the type diagram looks more like this: number string boolean symbol (new in es2015) object function array date regexp null undefined and there are some built-in error types as well.
...this should be welcome news to anyone who has had to deal with internationalization.
...And 23 more matches

textbox (Toolkit autocomplete) - Archive of obsolete content
autocompletesearch new in thunderbird 2requires seamonkey 1.1 type: space-separated list of values a space-separated list of search component names, each of which implements the nsiautocompletesearch interface.
... mydomain new in thunderbird 3 requires seamonkey 2.0 the user's email domain is suggested.
... gloda new in thunderbird 3 addrbook new in thunderbird 3 requires seamonkey 2.0 the user's address book is searched.
...And 22 more matches

Mozilla release FAQ - Archive of obsolete content
webpages mozilla project homepage netscape developer program website mozillazine (news service) mozilla evangelism effort mozdev projects irc server: irc.mozilla.org channel #mozillazine note that recent versions of mozilla include an irc client.
... usenet all newsgroups in the netscape.public.mozilla.* hierarchy.
... if your news server doesn't carry these, you can use the mozilla news server.
...And 22 more matches

SpiderMonkey 1.8.5
it is much faster than spidermonkey 1.8, implements es-5 (ecma 262, 5th edition), and contains many new language and api features, described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
...spidermonkey 1.8.5 includes a new configure-based build system, introduced shortly after active development on the engine moved from cvs to mercurial.
...And 22 more matches

nsINavHistoryResultViewer
n nsinavhistorycontainerresultnode acontainernode); void containeropened(in nsinavhistorycontainerresultnode acontainernode); void invalidatecontainer(in nsinavhistorycontainerresultnode acontainernode); void nodeannotationchanged(in nsinavhistoryresultnode anode, in autf8string aannoname); void nodedateaddedchanged(in nsinavhistoryresultnode anode, in prtime anewvalue); void nodelastaddedchanged(in nsinavhistoryresultnode anode, in prtime anewvalue); void nodehistorydetailschanged(in nsinavhistoryresultnode anode, in prtime anewvisitdate, in unsigned long anewaccesscount); void nodeiconchanged(in nsinavhistoryresultnode anode); void nodekeywordchanged(in nsinavhistoryresultnode anode, in autf8string anewkeyword); ...
... void nodemoved(in nsinavhistoryresultnode anode, in nsinavhistorycontainerresultnode aoldparent, in unsigned long aoldindex, in nsinavhistorycontainerresultnode anewparent, in unsigned long anewindex); void nodetitlechanged(in nsinavhistoryresultnode anode, in autf8string anewtitle); void noderemoved(in nsinavhistorycontainerresultnode aparent, in nsinavhistoryresultnode anode, in unsigned long aoldindex); void nodetagschanged(in nsinavhistoryresultnode anode); void nodeurichanged(in nsinavhistoryresultnode anode, in autf8string anewuri); void nodereplaced(in nsinavhistorycontainerresultnode parent, in nsinavhistoryresultnode olditem, in nsinavhistoryresultnode newitem, in unsigned long index); void nodeinserted(in nsinavhistory...
...containerresultnode aparent, in nsinavhistoryresultnode anode , in unsigned long anewindex); void sortingchanged(in unsigned short sortingmode); attributes attribute type description result nsinavhistoryresult the nsinavhistoryresult this viewer monitors.
...And 22 more matches

Streams - Plugins
the browser calls the plug-in methods npp_newstream, npp_writeready, npp_write, and npp_destroystream to, respectively, create a stream, find out how much data the plug-in can handle, push data into the stream, and delete it.
...in contrast, for streams produced by the plug-in, the plug-in calls the plug-in api methods npp_newstream, npp_write, and npp_destroystream to create a stream, push data into it, and delete it.
... data stream to the plug-in, it has several tasks to perform: telling the plug-in when a stream is created telling the plug-in when a stream is deleted finding out how much data the plug-in can accept writing the stream to the plug-in sending the stream in random-access mode sending the stream in file mode telling the plug-in when a stream is created to tell the plug-in instance when a new stream is created, the browser calls the npp_newstream method.
...And 22 more matches

Dynamic behavior in Svelte: working with variables and props - Learn web development
to prove it, go to that array, and try changing some of the todo object's completed property values, and even add a new todo object.
...this is how svelte 'extends' javascript by taking valid syntax and giving it a new purpose.
...this is another example in which svelte takes advantage of valid javascript syntax and gives it a new purpose — in this case to to mean "re-run this code whenever any of the referenced values change".
...And 21 more matches

nsIMsgFolder
check //github.com/realityripple/uxp/blob/master/mailnews/base/public/nsimsgfolder.idl for the newer methods (esp.
...msgwindow msgwindow); void renamesubfolders( in nsimsgwindow msgwindow, in nsimsgfolder oldfolder); astring generateuniquesubfoldername(in astring prefix,in nsimsgfolder otherfolder); void updatesummarytotals(in boolean force); void summarychanged(); long getnumunread(in boolean deep); long gettotalmessages(in boolean deep); void clearnewmessages(); void clearrequirescleanup(); void setflag(in unsigned long flag); void clearflag(in unsigned long flag); boolean getflag(in unsigned long flag); void toggleflag(in unsigned long flag); void onflagchange(in unsigned long flag); void setprefflag(); nsimsgfolder getfolderswithflag(in unsigned long flags, in unsigned l...
...sarray messages,in boolean ismove, in nsimsgwindow msgwindow,in nsimsgcopyservicelistener listener, in boolean isfolder, in boolean allowundo); void copyfolder(in nsimsgfolder srcfolder, in boolean ismovefolder,in nsimsgwindow msgwindow, in nsimsgcopyservicelistener listener ); void copyfilemessage(in nsifile file, in nsimsgdbhdr msgtoreplace,in boolean isdraft, in unsigned long newmsgflags,in nsimsgwindow msgwindow,in nsimsgcopyservicelistener listener); void acquiresemaphore(in nsisupports semholder); void releasesemaphore(in nsisupports semholder); boolean testsemaphore(in nsisupports semholder); void getnewmessages(in nsimsgwindow awindow, in nsiurllistener alistener); void writetofoldercache(in nsimsgfoldercache foldercache, ...
...And 21 more matches

ARIA Test Cases - Accessibility
new tests for internet explorer 8 rc1 on this msdn page the aria state/role mapping in ie8 to msaa roles can be directly checked.
... a screen magnifier should move the current view to the alert or open a new panel with the alert information optional, but desired: if there are widgets within the alert, their role and any keyboard mnemonic (accesskey) should be spoken.
... when closing the menu, this should be indicated, and focus should be repeated for the menu button the menu was opened from, or the new focus location if the activated menu item results in that.
...And 21 more matches

JavaScript Daemons Management - Archive of obsolete content
|*| http://www.gnu.org/licenses/gpl-3.0.html |*| \*/ "use strict"; /**************************** * the daemon system * ****************************/ /* the global "daemon" constructor */ function daemon (oowner, ftask, nrate, nlen, finit, fonstart) { if (!(this && this instanceof daemon)) { return; } if (arguments.length < 2) { throw new typeerror("daemon - not enough arguments"); } if (oowner) { this.owner = oowner }; this.task = ftask; if (isfinite(nrate) && nrate > 0) { this.rate = math.floor(nrate); } if (nlen > 0) { this.length = math.floor(nlen); } if (fonstart) { this.onstart = fonstart; } if (finit) { this.onstop = finit; finit.call(oowner, this.index, this.length, this.backw); } ...
... **/ daemon.construct = function (aargs) { var odmn = new this.blank(); this.apply(odmn, aargs); return odmn; }; daemon.buildaround = function (octx, nrate, nlen) { if (!octx.perform) { throw new typeerror("you cannot create a daemon around an object devoid of a \"perform\" function"); } return new this(octx, octx.perform, nrate || null, nlen || null, octx.create || null, octx.prepare || null); }; /* warning!
...*/ daemon.incorporate = function (fconstr) { var olegacy = fconstr.prototype; fconstr.prototype = new daemon.blank(); fconstr.prototype.legacy = olegacy; return fconstr; }; /* system required daemon instances methods */ daemon.prototype.isatend = function () { return this.backw ?
...And 20 more matches

Mozilla DOM Hacking Guide
helper classes nsdomclassinfo.h defines several new classes.
... each helper class has a public docreate member function that is called by getclassinfoinstance (see also section 1.6) to create a new instance of the class if needed.
...for example, getproperty() is used when retrieving an attribute that was not defined in idl, and newresolve() is used when resolving for the first time an attribute or method that was not previously resolved.
...And 20 more matches

Using Web Workers - Web APIs
workers may, in turn, spawn new workers, as long as those workers are hosted within the same origin as the parent page.
... } spawning a dedicated worker creating a new worker is simple.
... all you need to do is call the worker() constructor, specifying the uri of a script to execute in the worker thread (main.js): var myworker = new worker('worker.js'); sending messages to and from a dedicated worker the magic of workers happens via the postmessage() method and the onmessage event handler.
...And 20 more matches

Chapter 5: Let's build a Firefox extension - Archive of obsolete content
some of these preferences do not exist—to create them, right-click, select “new>boolean”, and type in the name and set the value accordingly.
... developing a simple extension: hello world in this section, we will write an extremely simple “hello world” extension that only displays the time.3 phase 1: test install our first step will be to perform a test installation consisting of the minimum code needed to add a new menu item to the tools menu (figure 3).
...the menupop element 4 contains the merge point where you’re going to be adding a new menu item; you can see that it has the id menu_toolspopup.
...And 19 more matches

Inheritance in JavaScript - Learn web development
say we wanted to create a teacher class, like the one we described in our initial object-oriented definition, which inherits all the members from person, but also includes: a new property, subject — this will contain the subject the teacher teaches.
... the last line inside the constructor simply defines the new subject property that teachers are going to have, which generic people don't have.
... as a note, we could have simply done this: function teacher(first, last, age, gender, interests, subject) { this.name = { first, last }; this.age = age; this.gender = gender; this.interests = interests; this.subject = subject; } but this is just redefining the properties anew, not inheriting them from person(), so it defeats the point of what we are trying to do.
...And 19 more matches

Setting up your own test automation environment - Learn web development
setting up selenium in node to start with, set up a new npm project, as discussed in setting up node and npm in the last chapter.
... check that your new paths are in the path variable by entering the following into your terminal: echo $path you should see it printed out in the terminal.
... to set your path variable on windows, follow the instructions at how can i add a new folder to my system path?
...And 19 more matches

JSAPI User Guide
a minimal example each of the three key elements described in the previous section requires a few jsapi calls: the runtime: use js_newruntime to create it and js_destroyruntime to clean it up when you're done.
...but as that is not always the case, calling js_shutdown is a good habit to get into.) the context: use js_newcontext and js_destroycontext.
...use js_newglobalobject to create a global object.
...And 19 more matches

nsIIOService
inherits from: nsisupports last changed in gecko 1.2 this interface duplicates many of the nsiprotocolhandler methods in a protocol handler independent way (for example newuri() inspects the scheme in order to delegate creation of the new uri to the appropriate protocol handler).
...ts.classes["@mozilla.org/network/io-service;1"] .getservice(components.interfaces.nsiioservice); method overview boolean allowport(in long aport, in string ascheme); acstring extractscheme(in autf8string urlstring); unsigned long getprotocolflags(in string ascheme); nsiprotocolhandler getprotocolhandler(in string ascheme); nsichannel newchannel(in autf8string aspec, in string aorigincharset, in nsiuri abaseuri); obsolete since gecko 48 nsichannel newchannel2(in autf8string aspec, in string aorigincharset, in nsiuri abaseuri, in nsidomnode aloadingnode, in nsiprincipal aloadingprincipal, in nsiprincipal atriggeringprincipal, in uint32_t asecurityflags, in uint32_t acontentpolicytype); nsichannel newchannelfromuri...
...(in nsiuri auri); obsolete since gecko 48 nsichannel newchannelfromuri2(in nsiuri auri, in nsidomnode aloadingnode, in nsiprincipal aloadingprincipal, in nsiprincipal atriggeringprincipal, in unsigned long asecurityflags, in unsigned long acontentpolicytype); nsichannel newchannelfromuriwithloadinfo(in nsiuri auri, in nsiloadinfo aloadinfo); nsichannel newchannelfromuriwithproxyflags2(in nsiuri auri, in nsiuri aproxyuri, in uint32_t aproxyflags,in nsidomnode aloadingnode, in nsiprincipal aloadingprincipal, in nsiprincipal atriggeringprincipal, in uint32_t asecurityflags, in uint32_t acontentpolicytype); nsiuri newfileuri(in nsifile afile); nsiuri newuri(in autf8string aspec, in string aorigincharset, in nsiuri abaseuri); attributes ...
...And 19 more matches

Using IndexedDB - Web APIs
creating or updating the version of the database when you create a new database or increase the version number of an existing database (by specifying a higher version number than you did previously, when opening a database), the onupgradeneeded event will be triggered and an idbversionchangeevent object will be passed to any onversionchange event handler set up on request.result (i.e., db in the example).
...you only need to create any new object stores, or delete object stores from the previous version that are no longer needed.
... if you need to change an existing object store (e.g., to change the keypath), then you must delete the old object store and create it again with the new options.
...And 19 more matches

TypedArray - JavaScript
calling it or using it in a new expression will throw a typeerror, except when used during object creation in js engines that support subclassing.
...these objects all have a common syntax for their constructors: new typedarray(); new typedarray(length); new typedarray(typedarray); new typedarray(object); new typedarray(buffer [, byteoffset [, length]]); where typedarray is a constructor for one of the concrete types.
... typedarray when called with a typedarray argument, which can be an object of any of the typed array types (such as int32array), the typedarray gets copied into a new typed array.
...And 19 more matches

Writing to Files - Archive of obsolete content
to create an output stream, use nsiscriptableio.newoutputstream().
... this method has a number of options to specify text or binary writing, the character set, and whether to append to an existing file or create a new one.
... to create an input stream, first get a reference to a nsifile, and then use nsiscriptableio.newoutputstream() to open a stream for writing to it.
...And 18 more matches

React interactivity: Events and state - Learn web development
when we start giving ourselves the power to make new tasks, things that happen in the <form /> component will affect the list rendered in <app />.
... we want our handlesubmit() function to ultimately help us create a new task, so we need a way to pass information from <form /> to <app />.
...our <form /> will not be inheriting a new name for our task; our <input /> element lives directly inside of <form />, so <form/> will be directly responsible for creating that new name.
...And 18 more matches

Command line options
each message option follows the syntax field=value, for example: to=foo@nowhere.net subject=cool page attachment=www.mozilla.org attachment='file:///c:/test.txt' body=check this page or also in thunderbird 52 and newer: body=c:\path\to\file.txt separate multiple message options by comma (,), for example: "to=foo@nowhere.net,subject=cool page" .
... -createprofile profile_name create a new profile in the default directory, but do not start the application.
... firefox -createprofile joeluser -createprofile "profile_name profile_dir" creates a new profile in the profile_dir directory, but do not start the application.
...And 18 more matches

HTTP Cache
this document describes the new http cache version 2.
... when there is no profile the new http cache works, but everything is stored only in memory not obeying any particular limits.
... important difference in behavior from the old cache: when the cache entry object is already present in memory or open as “force-new” (a.k.a “open-truncate”) this callback is invoked sooner then the asyncopenuri method returns (i.e.
...And 18 more matches

SpiderMonkey 1.8.7
it is much faster than spidermonkey 1.8, implements es-5 (ecma 262, 5th edition), and contains many new language and api features, described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
...new javascript language features xxx needs updating javascript 1.8.5 adds support for ecmascript edition 5, including es5 strict mode.
...And 18 more matches

Places Developer Guide
var bookmarkuri = cc["@mozilla.org/network/io-service;1"] .getservice(ci.nsiioservice) .newuri("http://www.mozilla.com", null, null); var bookmarkid = bookmarks.insertbookmark( bookmarks.toolbarfolder, // the id of the folder the bookmark will be placed in.
... creating a folder var folderid = bookmarks.createfolder( bookmarks.toolbarfolder, // the id of the folder the new folder will be placed in.
... "my folder title", // the title of the new folder.
...And 18 more matches

nsIMsgDBView
nsmsgkey is defined as an unsigned long in mailnewstypes2.idl.
...nsmsgviewindex is defined as a unsigned long in mailnewstypes2.idl.
...nsmsgviewindex is defined as a unsigned long in mailnewstypes2.idl.
...And 18 more matches

Working with data
these are javascript constructors; as such, they're callable functions that you can use to create new cdata objects of that type.
... there are several ways you can go about creating new cdata objects.
... creating uninitialized cdata objects there are three forms of the syntax for creating cdata objects without immediately assigning them a value: var mycdataobj = new type; var mycdataobj = new type(); var mycdataobj = type(); these all do the same thing: they return a new cdata object of the specified type, whose data buffer has been populated entirely with zeroes.
...And 18 more matches

Working with objects - JavaScript
for example, let's create an object named mycar and give it properties named make, model, and year as follows: var mycar = new object(); mycar.make = 'ford'; mycar.model = 'mustang'; mycar.year = 1969; the above example could also be written using an object initializer, which is a comma-delimited list of zero or more pairs of property names and associated values of an object, enclosed in curly braces ({}): var mycar = { make: 'ford', model: 'mustang', year: 1969 }; unassigned properties of an object are ...
...examples are as follows: // four variables are created and assigned in a single go, // separated by commas var myobj = new object(), str = 'mystring', rand = math.random(), obj = new object(); myobj.type = 'dot syntax'; myobj['date created'] = 'string with space'; myobj[str] = 'string value'; myobj[rand] = 'random number'; myobj[obj] = 'object'; myobj[''] = 'even an empty string'; console.log(myobj); please note that all keys in the sq...
...for example, in the above code, when the key obj is added to the myobj, javascript will call the obj.tostring() method, and use this result string as the new key.
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tabs - Archive of obsolete content
usage open a tab you can open a new tab, specifying various properties including location: var tabs = require("sdk/tabs"); tabs.open("http://www.example.com"); track tabs you can register event listeners to be notified when tabs open, close, finish loading dom content, or are made active or inactive: var tabs = require("sdk/tabs"); // listen for tab openings.
...by setting the url property you can load a new page in the tab: var tabs = require("sdk/tabs"); tabs.on('activate', function(tab) { tab.url = "http://www.example.com"; }); run scripts in a tab you can attach a content script to the page hosted in a tab, and use that to access and manipulate the page's content (see the modifying the page hosted by a tab tutorial): var tabs = require("sdk/tabs"); tabs.on('activate', function(tab) { var...
... worker = tab.attach({ contentscript: 'self.port.emit("html", document.body.innerhtml);' }); worker.port.on("html", function(message) { console.log(message) }) }); note that tab.attach is tab-centric: if the user navigates to a new page in the same tab, then the worker and content scripts will be reattached to the new page.
...And 17 more matches

OS.File for the main thread
let decoder = new textdecoder(); // this decoder can be reused for several reads let promise = os.file.read("file.txt"); // read the complete file as an array promise = promise.then( function onsuccess(array) { return decoder.decode(array); // convert this array to a text } ); this example requires firefox 18 or a more recent version.
...it uses an atomic write to ensure that the file is not modified if, for some reason, the write cannot complete (typically because the computer is turned off, the battery runs out, or the application is stopped.) let encoder = new textencoder(); // this encoder can be reused for several writes let array = encoder.encode("this is some text"); // convert the text to an array let promise = os.file.writeatomic("file.txt", array, // write the array atomically to "file.txt", using as temporary {tmppath: "file.txt.tmp"}); // buffer "file.txt.t...
... the following variant does the same thing but will fail if "file.txt" already exists: let encoder = new textencoder(); // this encoder can be reused for several writes let array = encoder.encode("this is some text"); // convert the text to an array let promise = os.file.writeatomic("file.txt", array, // write the array atomically to "file.txt", using as temporary {tmppath: "file.txt.tmp", nooverwrite: true}); // buffer "file.txt.tmp".
...And 17 more matches

Examples
components.utils.import("resource://gre/modules/osfile.jsm") let path = os.path.join(os.constants.path.tmpdir, "file.txt"); let promise = os.file.exists(path); let newpromise = promise.then(function onfulfill(aexists) { if (aexists) { console.log("you have file.txt in your temporary directory."); } else { throw new error("you don't have file.txt in your temporary directory."); } }); // unexpected errors should always be reported at the end of a promise chain.
... let lastpromise = newpromise.then(function onfulfill(){ }) .catch(function onreject(arejectreason) { console.warn('newpromise failed with reason: ', arejectreason); }); using a promise returned by a function (verbose) this example uses a verbose syntax, showing all the involved promises.
... components.utils.import("resource://gre/modules/osfile.jsm") let path = os.path.join(os.constants.path.tmpdir, "file.txt"); let promise = os.file.exists(path); let newpromise = promise.then(function onfulfill(aexists) { if (aexists) { console.log("you have file.txt in your temporary directory."); } else { console.log("you don't have file.txt in your temporary directory."); } }); // unexpected errors should always be reported at the end of a promise chain.
...And 17 more matches

JSAPI reference
runtimes and contexts js_init added in spidermonkey 31 js_shutdown struct jsruntime js_newruntimeobsolete since jsapi 52 js_destroyruntime js_getruntimeprivate js_setruntimeprivate js_setnativestackquota added in spidermonkey 17 js_contextiteratorobsolete since jsapi 52 js_finish obsolete since jsapi 19 struct jscontext js_newcontext js_destroycontext js_destroycontextnogc js_setcontextcallback enum jscontextop js_getruntime js_getparentruntime added in...
...erateresolvedstandardclasses obsolete since jsapi 24 js_isrunning js_saveframechain js_restoreframechain js_isassigning obsolete since javascript 1.8.5 js_isconstructing obsolete since jsapi 26 js_isconstructing_possiblywithgiventhisobject obsolete since jsapi 17 js_getscopechain obsolete since javascript 1.8.7 compartments: class jsautocompartment added in spidermonkey 24 js_newglobalobject added in spidermonkey 17 js_entercompartment added in spidermonkey 24 js_leavecompartment added in spidermonkey 24 js_getcompartmentprivate added in spidermonkey 1.8.5 js_setcompartmentprivate added in spidermonkey 1.8.5 js_getglobalforcompartmentornull added in spidermonkey 17 js_iteratecompartments added in spidermonkey 17 js_setdestroycompartmentcallback added in spidermonke...
...y 17 js_setcompartmentnamecallback added in spidermonkey 17 js_newcompartmentandglobalobject added in spidermonkey 1.8.1 obsolete since jsapi 16 js_entercrosscompartmentcall added in spidermonkey 1.8.1 obsolete since jsapi 18 js_leavecrosscompartmentcall added in spidermonkey 1.8.1 obsolete since jsapi 18 locale callbacks: struct jslocalecallbacks js_getlocalecallbacks js_setlocalecallbacks locale callback types: jslocaletouppercase jslocaletolowercase jslocalecompare jslocaletounicode scripts just running some javascript code is straightforward: class js::compileoptions added in spidermonkey 17 class js::owningcompileoptions added in spidermonkey 31 class js::readonlycompileoptions added in spidermonkey 31 class js::sourcebufferholder added in spidermonkey 31 ...
...And 17 more matches

nsINavBookmarkObserver
lete since gecko 21.0 void onbeginupdatebatch(); void onendupdatebatch(); void onfolderadded(in print64 folder, in print64 parent, in print32 index); obsolete since gecko 1.9 void onfolderchanged(in print64 folder, in acstring property); obsolete since gecko 1.9 void onfoldermoved(in print64 folder, in print64 oldparent, in print32 oldindex, in print64 newparent, in print32 newindex); obsolete since gecko 1.9 void onfolderremoved(in print64 folder, in print64 parent, in print32 index); obsolete since gecko 1.9 void onitemadded(in long long aitemid, in long long aparentid, in long aindex, in unsigned short aitemtype, in nsiuri auri, in autf8string atitle, in prtime adateadded, in acstring aguid, in acstring aparentguid); v...
...oid onitemchanged(in long long aitemid, in acstring aproperty, in boolean aisannotationproperty, in autf8string anewvalue, in prtime alastmodified, in unsigned short aitemtype, in long long aparentid, in acstring aguid, in acstring aparentguid); void onitemmoved(in long long aitemid, in long long aoldparentid, in long aoldindex, in long long anewparentid, in long anewindex, in unsigned short aitemtype, in acstring aguid, in acstring aoldparentguid, in acstring anewparentguid); void onitemremoved(in long long aitemid, in long long aparentid, in long aindex, in unsigned short aitemtype, in nsiuri auri, in acstring aguid, in acstring aparentguid); void onitemreplaced(in print64 folder, in nsiuri item, in nsiuri newitem); obsolete since gecko 1.9 void onitemvi...
...void onfoldermoved( in print64 folder, in print64 oldparent, in print32 oldindex, in print64 newparent, in print32 newindex ); parameters folder the id of the folder that was moved.
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DOMMatrixReadOnly - Web APIs
dommatrixreadonly.flipx() returns a new dommatrix created by flipping the source matrix around its x-axis.
... dommatrixreadonly.flipy() returns a new dommatrix created by flipping the source matrix around its y-axis.
... dommatrixreadonly.inverse() returns a new dommatrix created by inverting the source matrix.
...And 17 more matches

Signaling and video calling - Web APIs
the server supports several message types to handle tasks, such as registering new users, setting usernames, and sending public chat messages.
... each ice candidate is sent to the other peer by sending a json message of type "new-ice-candidate" over the signaling server to the remote peer.
... each candidate message include these fields: type the message type: "new-ice-candidate".
...And 17 more matches

Linear-gradient Generator - CSS: Cascading Style Sheets
360 * @param saturation 0-100 * @param value 0-100 * @param lightness 0-100 */ function color(color) { if(color instanceof color === true) { this.copy(color); return; } this.r = 0; this.g = 0; this.b = 0; this.a = 1; this.hue = 0; this.saturation = 0; this.value = 0; this.lightness = 0; this.format = 'hsv'; } function rgbcolor(r, g, b) { var color = new color(); color.setrgba(r, g, b, 1); return color; } function rgbacolor(r, g, b, a) { var color = new color(); color.setrgba(r, g, b, a); return color; } function hsvcolor(h, s, v) { var color = new color(); color.sethsv(h, s, v); return color; } function hsvacolor(h, s, v, a) { var color = new color(); color.sethsv(h, s, v); color.a = a; return color; } functio...
...n hslcolor(h, s, l) { var color = new color(); color.sethsl(h, s, l); return color; } function hslacolor(h, s, l, a) { var color = new color(); color.sethsl(h, s, l); color.a = a; return color; } color.prototype.copy = function copy(obj) { if(obj instanceof color !== true) { console.log('typeof parameter not color'); return; } this.r = obj.r; this.g = obj.g; this.b = obj.b; this.a = obj.a; this.hue = obj.hue; this.saturation = obj.saturation; this.value = obj.value; this.format = '' + obj.format; this.lightness = obj.lightness; }; color.prototype.setformat = function setformat(format) { if (format === 'hsv') this.format = 'hsv'; if (format === 'hsl') this.format = 'hsl'; }; /*========== methods to set color properties ==========...
...n value.touppercase(); }; color.prototype.getrgba = function getrgba() { var rgb = '(' + this.r + ', ' + this.g + ', ' + this.b; var a = ''; var v = ''; var x = parsefloat(this.a); if (x !== 1) { a = 'a'; v = ', ' + x; } var value = 'rgb' + a + rgb + v + ')'; return value; }; color.prototype.gethsla = function gethsla() { if (this.format === 'hsv') { var color = new color(this); color.setformat('hsl'); color.updatehsx(); return color.gethsla(); } var a = ''; var v = ''; var hsl = '(' + this.hue + ', ' + this.saturation + '%, ' + this.lightness +'%'; var x = parsefloat(this.a); if (x !== 1) { a = 'a'; v = ', ' + x; } var value = 'hsl' + a + hsl + v + ')'; return value; }; color.prototype.getcolor = function getcolor() { ...
...And 17 more matches

LiveConnect Overview - Archive of obsolete content
for example, you can create a java string object and assign it to the javascript variable mystring by using the new operator with the java constructor, as follows: var mystring = new java.lang.string("hello world"); in the previous example, the variable mystring is a javaobject because it holds an instance of the java object string.
...to create an instance of the helloworld class in redwood, you access the constructor of the class as follows: var red = new packages.redwood.helloworld(); you can also access classes in the default package (that is, classes that don't explicitly name a package).
... for example, if the helloworld class is directly in the classpath and not in a package, you can access it as follows: var red = new packages.helloworld(); the liveconnect java, sun, and netscape objects provide shortcuts for commonly used java packages.
...And 16 more matches

TypeScript support in Svelte - Learn web development
availability of new and future javascript features: typescript transpiles many recent es6 features to plain old-school javascript, allowing you to use them even on user-agents that don't support them natively yet.
... steep learning curve: even though typescript is a superset of javascript and not a completely new language, there is a considerable learning curve, especially if you have no experience at all with static languages like java or c#.
... creating a svelte typescript project from scratch you can start a new svelte typescript project using the standard template.
...And 16 more matches

Multiple Firefox profiles
while using the nightly channel, you may encounter some add-ons that have become temporarily incompatible with new api changes, until the add-on developer has a chance to update them.
...creating new profiles for testing can keep you from losing your preferences, bookmarks, and history.
... it takes little time to set up a new profile, and once it is complete, all of your firefox versions will update separately and can be run simultaneously.
...And 16 more matches

Mozilla internal string guide
common methods that modify the string: .assign(string) - assigns a new value to the string.
...for larger strings, a new buffer is allocated on the heap.
...(pos < len - 1) memmove(cur + 4, cur + 1, (len - 1 - pos) * sizeof(char16_t)); // fill the tab with spaces *cur = char16_t(' '); *(cur + 1) = char16_t(' '); *(cur + 2) = char16_t(' '); *(cur + 3) = char16_t(' '); pos += 4; cur += 4; } } } if a string buffer becomes smaller while writing it, use setlength to inform the string class of the new size: /** * remove every tab character from `data` */ void removetabs(nsastring& data) { int len = data.length(); char16_t* cur = data.beginwriting(); char16_t* end = data.endwriting(); while (cur < end) { if (char16_t('\t') == *cur) { len -= 1; end -= 1; if (cur < end) memmove(cur, cur + 1, (end - cur) * sizeof(char16_t)); } else { cur += 1; ...
...And 16 more matches

Function.prototype.bind() - JavaScript
the bind() method creates a new function that, when called, has its this keyword set to the provided value, with a given sequence of arguments preceding any provided when the new function is called.
...the value is ignored if the bound function is constructed using the new operator.
...if no arguments are provided to bind , or if the thisarg is null or undefined, the this of the executing scope is treated as the thisarg for the new function.
...And 16 more matches

Menu - Archive of obsolete content
features can also create new menus and attach them almost anywhere, chrome or content, as popup menus or context menus.
... two namespaces are associated with this api: jetpack.menu, which provides access to the browser's menus, and jetpack.menu, the constructor for making new menus.
... to create a new menu, use one of the jetpack.menu constructors below.
...And 15 more matches

Creating XPI Installer Modules - Archive of obsolete content
this new packaging scheme is called xpi (pronounced "zippy"), and interacts with xpinstall.
... in addition to these jar files, there are also several new rdf files.
... these new files represent a redesign of the way that the mozilla ui is packaged and installed.
...And 15 more matches

Index - Archive of obsolete content
this element is often used with a short label or icon to indicate status, for instance whether the user is online or whether there are new messages.
...in contrast to the mozilla jargon file, this article describes items of specific interest to the web or content developer looking to establish a context for understanding mozilla's new technologies -- and in particular mozilla's xml-based user interface language, xul.
... 206 newlines xul attributes, xul reference no summary!
...And 15 more matches

Localizing with Koala
you should see a new button in komodo's toolbar, with two options: startpage and management.
... before you can use them, you need to create a new koala project.
... creating a new project create a new koala project by going to file > new > new project from template...
...And 15 more matches

Scripting Java
this works just as in java, with the use of the new operator: js> new java.util.date() thu jan 24 16:18:17 est 2002 if we store the new object in a javascript variable, we can then call methods on it: js> f = new java.io.file("test.txt") test.txt js> f.exists() true js> f.getname() test.txt static methods and fields can be accessed from the class object itself: js> java.lang.math.pi 3.141592653589793 js> java.lang.math.cos(0) 1 in javascr...
... public class overload { public string f(object o) { return "f(object)"; } public string f(string s) { return "f(string)"; } public string f(int i) { return "f(int)"; } public string g(string s, int i) { return "g(string,int)"; } public string g(int i, string s) { return "g(int,string)"; } public static void main(string[] args) { overload o = new overload(); object[] a = new object[] { new integer(3), "hi", overload.class }; for (int i = 0; i != a.length; ++i) system.out.println(o.f(a[i])); } } when we compile and execute the program, it produces the output f(object) f(object) f(object) however, if we write a similar script var o = new packages.overload(); var a = [ 3, "hi", packages.overload ]; for (...
...one example of this is the thread class: its constructor takes a runnable that contains a single method run that will be called when the new thread is started.
...And 15 more matches

XPCOM array guide
nsistringenumerator / nsiutf8stringenumerator - enumerators for strings obsolete arrays / enumerators there are some deprecated classes which should not be used by new code.
...when the array can or should be modified, then use nsimutablearray: // array is read-only because it uses nsiarray void printsize(nsiarray* elements) { pruint32 count; elements->getlength(&count); printf("there are %d elements.\n", count); } // using nsimutablearray, so callee may modify void tweakarray(nsimutablearray* elements) { elements->removeelementat(0); elements->appendelement(newelement, pr_false); } while it is usually possible to call queryinterface on an nsiarray to get access to the nsimutablearray interface, this is against convention and it should be avoided.
... // no need for the double-pointer, and this violates xpcom rules // which expect acess to a new object void tweakarray(nsimutablearray** elements) { // ugh, extra indirection!
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Indexed collections - JavaScript
creating an array the following statements create equivalent arrays: let arr = new array(element0, element1, ..., elementn) let arr = array(element0, element1, ..., elementn) let arr = [element0, element1, ..., elementn] element0, element1, ..., elementn is a list of values for the array's elements.
...let arr = new array(arraylength) // ...results in the same array as this let arr = array(arraylength) // this has exactly the same effect let arr = [] arr.length = arraylength note: in the above code, arraylength must be a number.
... in addition to a newly defined variable as shown above, arrays can also be assigned as a property of a new or an existing object: let obj = {} // ...
...And 15 more matches

ui/frame - Archive of obsolete content
span> <span id="weather" class="info-element"></span> <script type="text/javascript" src="city-info.js"></script> </body> </html> if we save this document as "city-info.html" under the add-on's "data" directory, we can create a frame hosting it and add the frame to a toolbar like this: var { frame } = require("sdk/ui/frame"); var { toolbar } = require("sdk/ui/toolbar"); var frame = new frame({ url: "./city-info.html" }); var toolbar = toolbar({ name: "city-info", title: "city info", items: [frame] }); the toolbar is positioned between the address bar and the content window.
...it can use the origin property of the event object passed to the message hander: // listen for messages from the add-on, and send a reply window.addeventlistener("message", function(event) { event.source.postmessage("pong", event.origin) }, false); this frame script listens to change events on the "city-selector" <select> element, and sends a message to the add-on containing the value for the newly selected element.
... var { frame } = require("sdk/ui/frame"); var { toolbar } = require("sdk/ui/toolbar"); var frame = new frame({ url: "./city-info.html", onmessage: (e) => { console.log("new city: " + e.data); } }); var toolbar = toolbar({ name: "city-info", title: "city info", items: [frame] }); from add-on to all frames to send a message from the add-on code to all frames, attached to all open browser windows, you can use frame.postmessage().
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jpm - Archive of obsolete content
add the following line to the end of the file $home/.profile to add it to your path permanently (as the file .profile is executed every time a new terminal is opened): export path="$home/node_modules/.bin/:$path" installing jpm from git alternatively, you can also get the latest version of jpm using git: git clone https://github.com/mozilla-jetpack/jpm.git cd jpm npm install npm link after installing jpm after installation, at the command prompt, type: jpm you should see a screen summarizing the available jpm commands.
... jpm sign package your add-on as an xpi file, and then retrieve a new xpi signed by mozilla.
... jpm init this command initializes a new add-on from scratch.
...And 14 more matches

Bookmarks - Archive of obsolete content
firefox 2 and earlier creating a new bookmark var win = mybrowser.contentwindow; // get the bookmarks service const bmsvc = components.classes["@mozilla.org/browser/bookmarks-service;1"] .getservice(components.interfaces.nsibookmarksservice); // create the bookmark bmsvc.createbookmarkincontainer(win.document.title, // bookmark name win.location.href.tostring(), // uri of the bookmark null, // shortcut win.document.title, // description win.document.characterset, // charset null, // postdata bookmarksservice.getbookmarkstoolbarfolder(), // bookmark folder ...
...the documentation for the new api is available at places.
... initiating the bookmarks service as is the case with nearly all interfaces, before you can use the bookmarks service, you need to get access to it: var bmsvc = components.classes["@mozilla.org/browser/nav-bookmarks-service;1"] .getservice(components.interfaces.nsinavbookmarksservice); creating a bookmark folder creating a new bookmark folder is done using the nsinavbookmarksservice.createfolder() method.
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MCD, Mission Control Desktop, AKA AutoConfig - Archive of obsolete content
objective the objective is to provide users with a mailer agent, a web browser, and a news reader which are automatically configured (preferences) at startup to the current user connected on the computer.
...("mail.smtp.defaultserver", "smtp1"); lockpref("mail.smtpserver.smtp1.auth_method", 0); lockpref("mail.smtpserver.smtp1.hostname", "smtp-int.int-evry.fr"); lockpref("mail.smtpserver.smtp1.port", 25); lockpref("mail.smtpserver.smtp1.try_ssl", 0); lockpref("mail.smtpserver.smtp1.username", ""); lockpref("mail.smtpservers", "smtp1"); lockpref("mail.startup.enabledmailcheckonce", true); lockpref("mailnews.quotingprefs.version", 1); lockpref("mailnews.ui.threadpane.version", 5); /* 3) define here (because if set after "4)" below it doesn't work!) processldapvalues which is eventually called by getldapattributes() just below, check getldapattributes() code from $mozilla_home/defaults/autoconfig/prefcalls.js to see the inside call to "user defined" processldapvalues */ function processldapvalues(v...
...if it is not possible to give access to anonymous, //you have to enable this function first, please see //http://technet.microsoft.com/de-de/library/cc816788(ws.10).aspx // // //put everything in a try/catch try { var userinfo = new object(); // this will hold ldap results userinfo.envuser = getenv("username"); // username userinfo.envhome = getenv("home"); // user home directory var ldaphost = "example.com"; var ldapbase = "dc=company,dc=local"; if( userinfo.envuser ) { var ldapfilter = "samaccountname=" + userinfo.envuser; } else { throw("couldn't get uid from the environment"); } // ldap attributes to ret...
...And 14 more matches

MenuModification - Archive of obsolete content
adding items to a menu the appenditem method may be used to append a new item to the end of the popup associated with a menu.
... this method will create a new menuitem element and insert it into the popup.
...this function appends a new item to the menu's popup with the label insert.
...And 14 more matches

SeaMonkey - making custom toolbar (SM ver. 1.x) - Archive of obsolete content
when it rebuilds them, it will include your new extension.
... create a new directory named: custombutton perform the following steps in this new directory, creating five files there.
...paste it into the new file: <?xml version="1.0" encoding="utf-8"?> <!doctype rdf:rdf> <rdf:rdf xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:chrome="http://www.mozilla.org/rdf/chrome#"> <rdf:seq rdf:about="urn:mozilla:package:root"> <rdf:li rdf:resource="urn:mozilla:package:custombutton"/> </rdf:seq> <rdf:description rdf:about="urn:mozilla:package:custombutton" chrome:displayname="custom button" chrome:description="my custom toolbar button" chrome:author="my name" chrome:...
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Introduction to Public-Key Cryptography - Archive of obsolete content
the user must supply a name and password separately for each new server the user wishes to use during a work session.
... with this arrangement, the user must supply a new password for each server, and the administrator must keep track of the name and password for each user, typically on separate servers.
...for the rest of the session, the client presents the user's certificate to authenticate the user to each new server it encounters.
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Index - MDN Web Docs Glossary: Definitions of Web-related terms
it may refer to: 33 block (css) css, codingscripting, design, glossary, html a block on a webpage is an html element that appears on a new line, i.e.
... 60 cacheable glossary, webmechanics a cacheable response is an http response that can be cached, that is stored to be retrieved and used later, saving a new request to the server.
...with variables, on the other hand, the programmer can assign a new value to a variable name already in use.
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Index - Learn web development
13 aprender y obtener ayuda beginner, learn, learning, web development, getting help it is great that you are putting some time into learning a new set of skills, but there are good practices to employ that will make your learning more effective.
...in fact, you'll sometimes see these terms misused in news reports and elsewhere, so getting them mixed up is understandable!
... 36 getting started with the web beginner, css, design, guide, html, index, l10n:priority, publishing, theory it's a lot of work to create a professional website, so if you're new to web development, we encourage you to start small.
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Working with Svelte stores - Learn web development
a store is simply an object with a subscribe() method that allows interested parties to be notified whenever the store value changes, and an optional set() method that allows you to set new values for the store.
... create a new file — stores.js — inside your src directory.
... in the above code we import the writable() function from svelte/store and use it to create a new store called alert with an initial value of "welcome to the to-do list app!".
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NSS Tools certutil
it can also list, generate, modify, or delete certificates within the cert8.db file and create or change the password, generate new public and private key pairs, display the contents of the key database, or delete key pairs within the key3.db file.
...certificate database tool command options and their arguments are defined as follows: options -n create new certificate and key databases.
... -c create a new binary certificate file from a binary certificate-request file.
...And 14 more matches

nsIDocShell
void preparefornewcontentmodel(); void resumerefreshuris(); void setchildoffset(in unsigned long offset); native code only!
...for a new document load, this will be the channel of the previous document until after onlocationchange fires.
... isinunload boolean find out whether the docshell is currently in the middle of a page transition (after the onunload event has fired, but before the new document has been set up) read only.
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nsIWindowWatcher
method overview nsiwebbrowserchrome getchromeforwindow(in nsidomwindow awindow); nsiauthprompt getnewauthprompter(in nsidomwindow aparent); nsiprompt getnewprompter(in nsidomwindow aparent); nsidomwindow getwindowbyname(in wstring atargetname, in nsidomwindow acurrentwindow); nsisimpleenumerator getwindowenumerator(); nsidomwindow openwindow(in nsidomwindow aparent, in string aurl, in string aname, in string afeatures, in nsisupports aarguments); void ...
... return value an nsiwebbrowserchrome object for the corresponding chrome window getnewauthprompter() return a newly created nsiauthprompt implementation.
... nsiauthprompt getnewauthprompter( in nsidomwindow aparent ); parameters aparent the parent window used for posing alerts.
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Timing element visibility with the Intersection Observer API - Web APIs
when an ad exceeds one minute of visible time, it will be replaced with a new one.
...let's start with the global variables: let contentbox; let nextarticleid = 1; let visibleads = new set(); let previouslyvisibleads = null; let adobserver; let refreshintervalid = 0; these are used as follows: contentbox a reference to the <main> element's htmlelement object in the dom.
...etting up to set things up, we run the startup() function below when the page loads: window.addeventlistener("load", startup, false); function startup() { contentbox = document.queryselector("main"); document.addeventlistener("visibilitychange", handlevisibilitychange, false); let observeroptions = { root: null, rootmargin: "0px", threshold: [0.0, 0.75] }; adobserver = new intersectionobserver(intersectioncallback, observeroptions); buildcontents(); refreshintervalid = window.setinterval(handlerefreshinterval, 1000); } first, a reference to the content wrapping <main> element is obtained, so we can insert our content into it.
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Using Service Workers - Web APIs
this article provides information on getting started with service workers, including basic architecture, registering a service worker, the install and activation process for a new service worker, updating your service worker, cache control and custom responses, all in the context of a simple app with offline functionality.
... setting up to play with service workers many service workers features are now enabled by default in newer versions of supporting browsers.
... const imgload = (url) => { return new promise((resolve, reject) => { var request = new xmlhttprequest(); request.open('get', url); request.responsetype = 'blob'; request.onload = () => { if (request.status == 200) { resolve(request.response); } else { reject(error('image didn\'t load successfully; error code:' + request.statustext)); } }; request.onerror = () => { reje...
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HTML5 - Developer guides
it is a new version of the language html, with new elements, attributes, and behaviors, and a larger set of technologies that allows the building of more diverse and powerful web sites and applications.
... connectivity: allowing you to communicate with the server in new and innovative ways.
... semantics sections and outlines in html5 a look at the new outlining and sectioning elements in html5: <section>, <article>, <nav>, <header>, <footer> and <aside>.
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Signing an XPI - Archive of obsolete content
this article is a mirror of the original, with minor reformatting, some new info and all links updated in march 2010.
...certutil.exe) in the system directory (\windows\system32\) so ensure the new paths are first in the path search list.
... c:\> set path=c:\apps\nss-3.11.4\bin\;c:\apps\nss-3.11.4\lib\;c:\apps\nspr-4.6\lib\;%path% an easier way is to copy everything from your new directories c:\apps\nss-3.11.4\ and c:\apps\nspr-4.6\ including sub directories to the same directory - fx c:\apps\codesigning\ - and then run every command from that.
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Promises - Archive of obsolete content
let iter = new os.file.directoryiterator(dir); yield iter.foreach(entry => { if (!entry.isdir) files.push(entry.path); }); iter.close(); } // read the files as binary blobs and process them.
... let processor = new fileprocessor(); for (let file of files) { let data = yield os.file.read(file); processor.add(data); } // now write the processed files back out, as a binary blob.
... yield os.file.writeatomic(config.processedpath, processor.process(), { tmppath: config.processedpath + "." + math.random() }); // and write out a new config file.
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CSS3 - Archive of obsolete content
it brings a lot of long-awaited novelties, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts.
...new modules are also added when new needs are identified.
... new pseudo-classes: :target, :enabled and :disabled, :checked, :indeterminate, :root, :nth-child and :nth-last-child, :nth-of-type and :nth-last-of-type, :last-child, :first-of-type and :last-of-type, :only-child and :only-of-type,:empty, and :not.
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Custom toolbar button - Archive of obsolete content
in the extensions directory, create a new directory with the following name.
... copy the name from here and paste it, to avoid typing errors: custom-toolbar-button@example.com perform the following steps in this new directory, creating two files and a directory there.
...paste it into the new file: <?xml version="1.0"?> <rdf xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#"> <description about="urn:mozilla:install-manifest" em:name="custom button" em:description="my custom toolbar button" em:creator="my name" em:id="custom-toolbar-button@example.com" em:version="1.0" em:homepageurl="http://developer.mozilla.org/en/docs/custom_toolbar_button" em:iconurl="chrome://custombutton/content/icon.png" > <...
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Using files from web applications - Web APIs
lem" multiple accept="image/*" style="display:none"> <button id="fileselect">select some files</button> the code that handles the click event can look like this: const fileselect = document.getelementbyid("fileselect"), fileelem = document.getelementbyid("fileelem"); fileselect.addeventlistener("click", function (e) { if (fileelem) { fileelem.click(); } }, false); you can style the new button for opening the file picker as you wish.
... const reader = new filereader(); reader.onload = (function(aimg) { return function(e) { aimg.src = e.target.result; }; })(img); reader.readasdataurl(file); } } here our loop handling the user-selected files looks at each file's type attribute to see if its mime type begins with the string "image/").
... for each file that is an image, we create a new img element.
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Using XMLHttpRequest - Web APIs
function reqlistener () { console.log(this.responsetext); } var oreq = new xmlhttprequest(); oreq.addeventlistener("load", reqlistener); oreq.open("get", "http://www.example.org/example.txt"); oreq.send(); types of requests a request made via xmlhttprequest can fetch the data in one of two ways, asynchronously or synchronously.
... var oreq = new xmlhttprequest(); oreq.open("get", url); // retrieve data unprocessed as a binary string oreq.overridemimetype("text/plain; charset=x-user-defined"); /* ...
... var oreq = new xmlhttprequest(); oreq.onload = function(e) { var arraybuffer = oreq.response; // not responsetext /* ...
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Promise - JavaScript
these methods also return a newly generated promise object, which can optionally be used for chaining; for example, like this: const mypromise = (new promise(myexecutorfunc)) .then(handlefulfilleda,handlerejecteda) .then(handlefulfilledb,handlerejectedb) .then(handlefulfilledc,handlerejectedc); // or, perhaps better ...
... const mypromise = (new promise(myexecutorfunc)) .then(handlefulfilleda) .then(handlefulfilledb) .then(handlefulfilledc) .catch(handlerejectedany); handling a rejected promise too early has consequences further down the promise chain.
... const promisea = new promise(myexecutorfunc); const promiseb = promisea.then(handlefulfilled1, handlerejected1); const promisec = promisea.then(handlefulfilled2, handlerejected2); an action can be assigned to an already "settled" promise.
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dev/panel - Archive of obsolete content
this module is new in firefox 34.
... for a simple walkthrough of using the dev/panel api to add a new tool, see adding a panel to the toolbox.
... basic usage defining the panel constructor to add a new tool you first need to define a constructor that inherits from the panel class, and in that constructor you need to supply values for various properties .
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Mozilla Crypto FAQ - Archive of obsolete content
in this document i try to answer some frequently asked questions about the mozilla web browser and mail/news client and its support for ssl, s/mime, and related features based on cryptographic technology.
...information in the faq also reflects the new u.s.
...shortly thereafter the nss developers began work on an open source implementation of the rsa algorithm; that code, together with code previously developed for other cryptographic algorithms, will be included in a new version 3.1 of the nss open source cryptographic and pki library.
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Client-side storage - Learn web development
new school: web storage and indexeddb the "easier" features we mentioned above are as follows: the web storage api provides a very simple syntax for storing and retrieving smaller, data items consisting of a name and a corresponding value.
... the future: cache api some modern browsers support the new cache api.
... basic syntax let's show you how: first, go to our web storage blank template on github (open this in a new tab).
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Gecko info for Windows accessibility vendors
ajax: asynchronous javascript and xml ajax is a method of building interactive web applications that process user requests, user actions immediately in real time, unlike an http request, during which users must wait for a whole page to reload or for a new page to load.
... windows applications based on the gecko layout engine gecko is a rendering engine that mozilla, netscape and other new browsers use.
...these roles can occur on content because of the new accessible dhtml technology which allows the author to specify the type of document or container.
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Python binding for NSS
all prior cvs information (including release tags) were imported into the new mercurial repositories, as such there is no need to utilize the deprecated cvs repositories, use mercurial instead.
...the solution is straight forward, use newlines as a record separator and call sock.readline() instead of sock.recv().
...new version uses temporary password file and writes hardcoded responses to the stdin of certuil and modutil.
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NSS functions
updated - function has new arguments such as new flag or addition to structure.
...uritystatus mxr 3.2 and later ssl_setmaxservercachelocks mxr 3.4 and later ssl_setpkcs11pinarg mxr 3.2 and later ssl_setsockpeerid mxr 3.2 and later ssl_seturl mxr 3.2 and later ssl_shutdownserversessionidcache mxr 3.7.4 and later deprecated ssl functions the following ssl functions have been replaced with newer versions.
... the deprecated functions are not supported by the new ssl shared libraries.
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JS_ConstructObject
the preferred alternative is to save a copy of the constructor function for the class, then to call it using js_new.
... create a new object of the specified class, with the specified prototype and parent, then invokes a constructor function to initialize the new object.
... syntax jsobject * js_constructobject(jscontext *cx, jsclass *clasp, jsobject *proto, jsobject *parent); jsobject * js_constructobjectwitharguments(jscontext *cx, jsclass *clasp, jsobject *proto, jsobject *parent, unsigned int argc, jsval *argv); name type description cx jscontext * the context in which to create the new object.
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Manipulating bookmarks using Places
initiating the bookmarks service as is the case with nearly all interfaces, before you can use the bookmarks service, you need to get access to it: var bmsvc = components.classes["@mozilla.org/browser/nav-bookmarks-service;1"] .getservice(components.interfaces.nsinavbookmarksservice); creating a bookmark folder creating a new bookmark folder is done using the nsinavbookmarksservice.createfolder() method.
... for example, to create a new folder in the bookmarks menu: var menufolder = bmsvc.bookmarksmenufolder; // bookmarks menu folder var newfolderid = bmsvc.createfolder(menufolder, "folder name here", bmsvc.default_index); this code locates the bookmarks menu's folder, then creates a new folder named "folder name here" in it.
... specifying default_index as the index at which to insert the new folder places it at the end of the list.
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nsIDBChangeListener
example here is an example implementation of the listener (that does nothing): var mylistener = { onhdrflagschanged: function(ahdrchanged, aoldflags, anewflags, ainstigator) {}, onhdrdeleted: function(ahdrchanged, aparentkey, aflags, ainstigator) {}, onhdradded: function(ahdrchanged, aparentkey, aflags, ainstigator) {}, onparentchanged: function(akeychanged, oldparent, newparent, ainstigator) {}, onannouncergoingaway: function(ainstigator) {}, onreadchanged: function(ainstigator) {}, onjunkscorechanged: function(ainstigator) {}, onhdrpropertychanged: function(ahdrtochange, aprechange, astatus, ainstigator) {}, onevent: function(adb, ae...
... access the message database: if you have a nsimsgfolder, you can do this like so: somefolder.msgdatabase.addlistener(mylistener); alternately, you can access the message database through the nsimsgdbview like so: gfolderdisplay.view.dbview.db.addlistener(mylistener); method overview void onhdrflagschanged(in nsimsgdbhdr ahdrchanged, in unsigned long aoldflags, in unsigned long anewflags, in nsidbchangelistener ainstigator); void onhdrdeleted(in nsimsgdbhdr ahdrchanged, in nsmsgkey aparentkey, in long aflags, in nsidbchangelistener ainstigator); void onhdradded(in nsimsgdbhdr ahdrchanged, in nsmsgkey aparentkey, in long aflags, in nsidbchangelistener ainstigator); void onparentchanged(in nsmsgkey akeychanged, in nsmsgkey oldparent, in nsmsgkey newp...
... void onhdrflagschanged(in nsimsgdbhdr ahdrchanged, in unsigned long aoldflags, in unsigned long anewflags, in nsidbchangelistener ainstigator); parameters ahdrchanged the nsimsgdbhdr of the message that changed.
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nsITextInputProcessor
it the composition with the last composition string, just do this: tip.commitcomposition(); when you commit composition with specific string, specify commit string with its argument: tip.commitcompositionwith("foo-bar-buzz"); when you cancel composition, just do this: tip.cancelcomposition(); when you dispatch keydown event (and one or more keypress events), just do this: var keyevent = new keyboardevent("", // type attribute value should be empty.
...var dodefault = tip.keydown(keyevent); when you dispatch keyup event, just do this: var keyevent = new keyboardevent("", { key: "a", code: "keya", keycode: keyboardevent.dom_vk_a }); var dodefault = tip.keyup(keyevent); startcomposition(), flushpendingcomposition(), commitcomposition(), commitcompositionwith(), and cancelcomposition() can take a keyboardevent which causes modifying the composition state.
...var akeyevent = new keyboardevent("", { key: "a", code: "keya", keycode: keyboardevent.dom_vk_a }); tip.flushpendingcomposition(akeyevent); // pressing shift key for next input.
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nsIXPConnect
obsolete since gecko 2.0 void getxpcwrappednativejsclassinfo(out jsequalityop equality); nsixpconnectjsobjectholder holdobject(in jscontextptr ajscontext, in jsobjectptr aobject); void initclasses(in jscontextptr ajscontext, in jsobjectptr aglobaljsobj); nsixpconnectjsobjectholder initclasseswithnewwrappedglobal(in jscontextptr ajscontext, in nsisupports acomobj, in nsiidref aiid, in nsiprincipal aprincipal, in nsisupports aextraptr, in pruint32 aflags); nsivariant jstovariant(in jscontextptr ctx, in jsval value); nsivariant jsvaltovariant(in jscontextptr cx, in jsvalptr ajsval); void movewrappers(in jscontextptr ajscontext, in jsobjectptr aoldscope, in jsobjectp...
...tr anewscope); [noscript,notxpcom] void notejscontext(in jscontextptr ajscontext, in nscctraversalcallbackref acb); void releasejscontext(in jscontextptr ajscontext, in prbool nogc); void removejsholder(in voidptr aholder); native code only!
... void reparentscopeawarewrappers(in jscontextptr ajscontext, in jsobjectptr aoldscope, in jsobjectptr anewscope); obsolete since gecko 1.9.1 nsixpconnectjsobjectholder reparentwrappednativeiffound(in jscontextptr ajscontext, in jsobjectptr ascope, in jsobjectptr anewparent, in nsisupports acomobj); void restorewrappednativeprototype(in jscontextptr ajscontext, in jsobjectptr ascope, in nsiclassinfo aclassinfo, in nsixpconnectjsobjectholder aprototype); void setdebugmodewhenpossible(in prbool mode); native code only!
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Using the Multiple Accounts API
by alec flett alecf@flett.org structure servers identities storage creating new accounts smtp servers appendix a: listing of all preferences and properties structure the account system consists of: the account manager (nsimsgaccountmanager): there is a single account manager in the the client, which maintains the list of accounts, servers, etc.
... it is also responsible for the creation of any new account-related objects.
... (you'll have to pardon the crude drawing for now) account manager +- account 1 | +- incoming server 1 (imap.mywork.com imap server, my work account) | +- identity 1 (alec flett <alecf@mywork.com>) +- account 2 | +- incoming server 2 (pop.myisp.com pop server, my isp account) | +- identity 2 (alec flett <alecf@myisp.com>) +- account 3 | +- incoming server 3 (news.myisp.com nntp server, my isp's server) | +- identity 3 (alec flett <alecfnospam@myisp.com>) +- account 4 +- incoming server 4 (news.mozilla.org nntp server, mozilla devel) +- identity 2 (alec flett <alecf@myisp.com>) +- identity 3 (alec flett <alecfnospam@myisp.com>) this is the internal structure that the mail client maintains, but it is presented to the user in a fe...
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URLs - Plugins
plug-ins can request and receive the data associated with urls of any type that the browser can handle, including http, ftp, news, mailto, and gopher.
... news (usenet news) locates usenet news groups or individual usenet articles.
... nntp (usenet news using nntp access) locates usenet news groups or individual usenet articles; alternate to news.
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DevTools API - Firefox Developer Tools
api gdevtools the gdevtools api can be used to register new tools, themes and handle toolboxes for different tabs and windows.
... to use the gdevtools api from an add-on, it can be imported with following snippet const { gdevtools } = require("resource:///modules/devtools/gdevtools.jsm"); methods registertool(tooldefinition) registers a new tool and adds a tab to each existing toolbox.
... registertheme(themedefinition) registers a new theme.
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Web Console remoting - Firefox Developer Tools
the new web console actors are: the webconsoleactor allows js evaluation, autocomplete, start/stop listeners, etc.
... the networkeventactor is used for each new network request.
... the onattachconsole callback receives a new instance of the webconsoleclient object.
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Basic animations - Web APIs
restore the canvas state if you've saved the state, restore it before drawing a new frame.
... var sun = new image(); var moon = new image(); var earth = new image(); function init() { sun.src = 'https://mdn.mozillademos.org/files/1456/canvas_sun.png'; moon.src = 'https://mdn.mozillademos.org/files/1443/canvas_moon.png'; earth.src = 'https://mdn.mozillademos.org/files/1429/canvas_earth.png'; window.requestanimationframe(draw); } function draw() { var ctx = document.getelementbyid('canvas').ge...
...tcontext('2d'); ctx.globalcompositeoperation = 'destination-over'; ctx.clearrect(0, 0, 300, 300); // clear canvas ctx.fillstyle = 'rgba(0, 0, 0, 0.4)'; ctx.strokestyle = 'rgba(0, 153, 255, 0.4)'; ctx.save(); ctx.translate(150, 150); // earth var time = new date(); ctx.rotate(((2 * math.pi) / 60) * time.getseconds() + ((2 * math.pi) / 60000) * time.getmilliseconds()); ctx.translate(105, 0); ctx.fillrect(0, -12, 40, 24); // shadow ctx.drawimage(earth, -12, -12); // moon ctx.save(); ctx.rotate(((2 * math.pi) / 6) * time.getseconds() + ((2 * math.pi) / 6000) * time.getmilliseconds()); ctx.translate(0, 28.5); ctx.drawimage(moon, -3.5, -3.5); ctx.restore(); ctx.restore(); ctx.beginpath(); ctx.arc(150, 150, 105, 0, math.pi * 2, false); // earth orbit ...
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Movement, orientation, and motion: A WebXR example - Web APIs
lick", onxrbuttonclick); projectionmatrixout = document.queryselector("#projection-matrix div"); modelmatrixout = document.queryselector("#model-view-matrix div"); cameramatrixout = document.queryselector("#camera-matrix div"); mousematrixout = document.queryselector("#mouse-matrix div"); if (!navigator.xr || enableforcepolyfill) { console.log("using the polyfill"); polyfill = new webxrpolyfill(); } setupxrbutton(); } the load event handler gets a reference to the button that toggles webxr on and off into xrbutton, then adds a handler for click events.
...(shaderprogram, 'umodelviewmatrix'), normalmatrix: gl.getuniformlocation(shaderprogram, 'unormalmatrix'), usampler: gl.getuniformlocation(shaderprogram, 'usampler') }, }; buffers = initbuffers(gl); texture = loadtexture(gl, 'https://cdn.glitch.com/a9381af1-18a9-495e-ad01-afddfd15d000%2ffirefox-logo-solid.png?v=1575659351244'); xrsession.updaterenderstate({ baselayer: new xrwebgllayer(xrsession, gl) }); if (session_type == "immersive-vr") { refspacetype = "local"; } else { refspacetype = "viewer"; } mat4.fromtranslation(cubematrix, viewerstartposition); vec3.copy(cubeorientation, viewerstartorientation); xrsession.requestreferencespace(refspacetype) .then((refspace) => { xrreferencespace = refspace.getoffsetreferencespace( ...
... new xrrigidtransform(viewerstartposition, cubeorientation)); animationframerequestid = xrsession.requestanimationframe(drawframe); }); return xrsession; } after storing the newly-created xrsession object into xrsession, the label of the button is set to "exit webxr" to indicate its new function after starting the scene, and a handler is installed for the end event, so we get notified when the xrsession ends.
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Web Authentication API - Web APIs
many websites already have pages that allow users to register new accounts or sign in to an existing account, and the web authentication api acts as a replacement or supplement to those on those existing webpages.
... similar to the other forms of the credential management api, the web authentication api has two basic methods that correspond to register and login: navigator.credentials.create() - when used with the publickey option, creates new credentials, either for registering a new account or for associating a new asymmetric key pair credentials with an existing account.
... in order to understand how the create() and get() methods fit into the bigger picture, it is important to understand that they sit between two components that are outside the browser: server - the web authentication api is intended to register new credentials on a server (also referred to as a service or a relying party) and later use those same credentials on that same server to authenticate a user.
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Functions - JavaScript
in the case of a constructor called with the new keyword, the default value is the value of its this parameter.
...however, object references are values, too, and they are special: if the function changes the referred object's properties, that change is visible outside the function, as shown in the following example: /* declare the function 'myfunc' */ function myfunc(theobject) { theobject.brand = "toyota"; } /* * declare variable 'mycar'; * create and initialize a new object; * assign reference to it to 'mycar' */ var mycar = { brand: "honda", model: "accord", year: 1998 }; /* logs 'honda' */ console.log(mycar.brand); /* pass object reference to the function */ myfunc(mycar); /* * logs 'toyota' as the value of the 'brand' property * of the object, as changed to by the function.
... as all other objects, function objects can be created using the new operator: new function (arg1, arg2, ...
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How to convert an overlay extension to restartless - Archive of obsolete content
however, because it was implemented first for only file:// and resource:// but not chrome://, everyone who learned of this new feature learned that you had to load jsm from resource:// uris and just stuck with that forever.
... step 2a: load your jsm from chrome:// now with that preface out of the way, this part is easy: drop support for firefox 3.x if you haven't already, move your jsm files to wherever you've got your chrome mapping to for your xul overlay and/or windows, import your files from that new chrome mapped path instead of the old resource one, and remove your "resource" line from your chrome.manifest file.
... how to get and load the data of of your add-on's files using the add-on manager api: // this is the old way of getting one of your files const myaddonid = ...; // just store a constant with your id components.utils.import("resource://gre/modules/addonmanager.jsm"); addonmanager.getaddonbyid(myaddonid,function(addon) { var file = services.io.newuri("resource://myaddon/filename.ext",null,null) .queryinterface(components.interfaces.nsifileurl) .file; var stream = components.classes["@mozilla.org/network/file-input-stream;1"] .createinstance(components.interfaces.nsifileinputstream) .queryinterface(components.interfaces.nsiseekables...
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Tabbed browser - Archive of obsolete content
can use: window.opener.gbrowser.addtab(...); if window.opener doesn't work, you can get the most recent browser window using this code: var wm = components.classes["@mozilla.org/appshell/window-mediator;1"] .getservice(components.interfaces.nsiwindowmediator); var mainwindow = wm.getmostrecentwindow("navigator:browser"); mainwindow.gbrowser.addtab(...); opening a url in a new tab // add tab gbrowser.addtab("http://www.google.com/"); // add tab, then make active gbrowser.selectedtab = gbrowser.addtab("http://www.google.com/"); manipulating content of a new tab if you want to work on the content of the newly opened tab, you'll need to wait until the content has finished loading.
... // wrong way (the page hasn't finished loading yet) var newtabbrowser = gbrowser.getbrowserfortab(gbrowser.addtab("http://www.google.com/")); alert(newtabbrowser.contentdocument.body.innerhtml); // better way var newtabbrowser = gbrowser.getbrowserfortab(gbrowser.addtab("http://www.google.com/")); newtabbrowser.addeventlistener("load", function () { newtabbrowser.contentdocument.body.innerhtml = "<div>hello world</div>"; }, true); (the event target in the onload handler will be a 'tab' xul element).
... openuilinkin( url, where, allowthirdpartyfixup, postdata, referrerurl ) where: "current" current tab (if there aren't any browser windows, then in a new window instead) "tab" new tab (if there aren't any browser windows, then in a new window instead) "tabshifted" same as "tab" but in background if default is to select new tabs, and vice versa "window" new window "save" save to disk (with no filename hint!) openuilink( url, e, ignorebutton, ignorealt, allowkeywordfixup, postdata, referrerurl ) the following code will open a url ...
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MMgc - Archive of obsolete content
memory can be allocated with the new operator, and must be explicitly deleted in your c++ code at some later time using the delete operator.
... another way to think about it: unmanaged memory is c++ operators new and delete managed memory is c++ operator new, with optional delete mmgc contains a page allocator called gcheap, which allocates large blocks (megabytes) of memory from the system and doles out 4kb pages to the unmanaged memory allocator (fixedmalloc) and the managed memory allocator (gc).
...the gc typically is constructed early in your program's initialization, and then passed to operations like operator new for allocating gc objects.
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Template Logging - Archive of obsolete content
the first debugging method involves logging all new results that apply to the template due to the data changing as well as logging results that are changed or removed.
...each result is logged in a form much like the following: in template with id root using ref http://www.some-fictitious-zoo.com/birds new active result for query 2 matching rule 1: http://www.some-fictitious-zoo.com/birds/emperorpenguin in the example above, a new result has been added.
...the second line gives details about the new result.
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Building up a basic demo with Three.js - Game development
before reading further, copy this code to a new text file, and save it in your working directory as index.html.
... var renderer = new three.webglrenderer({antialias:true}); renderer.setsize(width, height); renderer.setclearcolor(0xdddddd, 1); document.body.appendchild(renderer.domelement); we are creating a new webgl renderer, setting its size to fit the whole available space on the screen, and appending the dom structure to the page.
...when creating new objects in the demo, we add them all inside the scene to become visible on the screen.
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Componentizing our Svelte app - Learn web development
other people apply the same techniques used for deciding if you should create a new function or object.
... newtodo.svelte: the text input and button that allow you to enter a new todo item.
... first of all, create a new file — components/filterbutton.svelte.
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Handling common JavaScript problems - Learn web development
when developers make use of new/nascent javascript features (for example ecmascript 6 / ecmascript next features, modern web apis...) in their code, and find that such features don't work in older browsers.
...this is supposed to be fetched from an external .json file using the following xmlhttprequest call: let requesturl = 'https://mdn.github.io/learning-area/javascript/oojs/json/superheroes.json'; let request = new xmlhttprequest(); request.open('get', requesturl); request.send(); let superheroes = request.response; populateheader(superheroes); showheroes(superheroes); but this fails.
...some of these are syntactic sugar (basically an easier, nicer way of writing what you can already do using existing features), and some offer interesting new possibilities.
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Mozilla accessibility architecture
method which traverses dom & anonymous content → nsiaccessibilityservice::getaccessible() with the content node → nsdocaccessible::getcachedaccessnode() and returns if successful, or → nsiaccessibleprovider::getaccessible() (if xul) or → nsiframe::getaccessible() (if html), which either return nothing or → nsiaccessibilityservice::create[inserttypenamehere]accessible() → operator new, which finally constructs the object.
... whether via nsiaccessibleprovider::getaccessible() or nsiframe::getaccessible(), new accessibles are created by calling back to the accessibility service, and using a specific method for creating each type of accessible.
... for example, nshtmltablecellframe::getaccessible() will eventually call nsiaccessibilityservice::createhtmltablecellaccessible(), which uses |new nshtmltablecellaccessible(domnode, weakpresshell); special exception: traversal overloading in some cases the necessary accessible children are not in the dom subtree for a node.
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Application Translation with Mercurial
thunderbird and tb-* denote branches of thunderbird, the mail client, newsgroup and feed reader and chat client.
... file comparison program for the translation, it is recommend to use file comparison program to compare the english file (containing the new texts) with the file of your locale (which is still missing the new strings).
...because the file is new and everything has to be translated, the file is too customized to compare it to the english one, or special functionality is required (e.g.
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NSPR Contributor Guide
abstract: nspr accepts contributions in the form of bugfixes, new features, libraries, platform ports, documentation, test cases and other items from many sources.
...should you need to have a similar api, with some slightly different behavior or different function prototype, then suggest a new api with a different name.
... new features for purposes of this paper, a "new feature" is defined as some api addition that goes into the core nspr library, for example: libnspr4.dll nspr is mostly complete.
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NSS_3.12_release_notes.html
nss 3.12 release notes 17 june 2008 newsgroup: mozilla.dev.tech.crypto contents introduction distribution information new in nss 3.12 bugs fixed documentation compatibility feedback introduction network security services (nss) 3.12 is a minor release with the following new features: sqlite-based shareable certificate and key databases libpkix: an rfc 3280 compliant certificate path validation library camellia cipher support tls session ticket extension (rfc 5077) nss 3.12 is tri-licensed under the mpl 1.1/gpl 2.0/lgpl 2.1.
... note: firefox 3 uses nss 3.12, but not the new sqlite-based shareable certificate and key databases.
...nss 3.12 libraries have the following versions: sqlite3: 3.3.17 nssckbi: 1.70 softokn3 and freebl3: 3.12.0.3 other nss libraries: 3.12.0.3 new in nss 3.12 3 new shared library are shipped with nss 3.12: nssutil sqlite nssdbm 1 new include file is shipped with nss3.12: utilrename.h new functions in the nss shared library: cert_checknamespace (see cert.h) cert_encodecertpoliciesextension (see cert.h) cert_encodeinfoaccessextension (see cert.h) cert_encodeinhibitanyextension (see cert.h) cert_encodenoticereference (see cert.h) cer...
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WebIDL bindings
note that if you're adding new interfaces, then the test at dom/tests/mochitest/general/test_interfaces.html will most likely fail.
... add external interface entries to bindings.conf for whatever non-webidl interfaces your new interface has as arguments or return values.
...you will need to flag the functions that return your object as [newobject] in the webidl.
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Applying styles and colors - Web APIs
note: when you set the strokestyle and/or fillstyle property, the new value becomes the default for all shapes being drawn from then on.
... linewidth = value sets the width of lines drawn in the future.
... a linewidth example this property sets the current line thickness.
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Document - Web APIs
it provides functionality globally to the document, like how to obtain the page's url and create new elements in the document.
... constructor document() creates a new document object.
... globaleventhandlers.onanimationiteration an eventhandler called when an animationiteration event has been sent, indicating that a css animation has begun playing a new iteration of the animation sequence.
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RTCPeerConnection - Web APIs
eight="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="236" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">rtcpeerconnection</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} constructorrtcpeerconnection() the rtcpeerconnection() constructor returns a newly-created rtcpeerconnection, which represents a connection between the local device and a remote peer.propertiesalso inherits properties from: eventtargetcantrickleicecandidatesthe read-only rtcpeerconnection property cantrickleicecandidates returns a boolean which indicates whether or not the remote peer can accept trickled ice candidates.connectionstate the read-only connectionstate property o...
...d when the signalingstatechange event occurs on an rtcpeerconnection interface.ontrack the rtcpeerconnection property ontrack is an eventhandler which specifies a function to be called when the track event occurs, indicating that a track has been added to the rtcpeerconnection.methodsalso inherits methods from: eventtargetaddicecandidate()when a web site or app using rtcpeerconnection receives a new ice candidate from the remote peer over its signaling channel, it delivers the newly-received candidate to the browser's ice agent by calling rtcpeerconnection.addicecandidate().addstream() the obsolete rtcpeerconnection method addstream() adds a mediastream as a local source of audio or video.
... instead of using this obsolete method, you should instead use addtrack() once for each track you wish to send to the remote peer.addtrack()the rtcpeerconnection method addtrack() adds a new media track to the set of tracks which will be transmitted to the other peer.close() the rtcpeerconnection.close() method closes the current peer connection.createanswer() the createanswer() method on the rtcpeerconnection interface creates an sdp answer to an offer received from a remote peer during the offer/answer negotiation of a webrtc connection.
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<nextid>: The NeXT ID element (Obsolete) - HTML: Hypertext Markup Language
html "0.c" - from january 23, 1991 though november 23, 1992 this early version of html introduced <nextid> in a non-sgml compliant form that simply used the numeric value alone as an "attribute." html "0.d" - from november 26, 1992 through may 24, 1993 during this span, next and the oldest surviving dtd's show <nextid> to take only a number for a value of its newly-introduced attribute n.
...they want to add a couple new sections after the second section, appending four more sections at the end.
... when opening the document, the next editor finds and reads this <nextid n="z8"> tag, and now knows to give the first of these new sections the name of z8 in the table of contents, and z14 to the content body.
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Using Promises - JavaScript
here's the magic: the then() function returns a new promise, different from the original: const promise = dosomething(); const promise2 = promise.then(successcallback, failurecallback); or const promise2 = dosomething().then(successcallback, failurecallback); this second promise (promise2) represents the completion not just of dosomething(), but also of the successcallback or failurecallback you passed in, which can be other asynchronous fun...
... in the old days, doing several asynchronous operations in a row would lead to the classic callback pyramid of doom: dosomething(function(result) { dosomethingelse(result, function(newresult) { dothirdthing(newresult, function(finalresult) { console.log('got the final result: ' + finalresult); }, failurecallback); }, failurecallback); }, failurecallback); with modern functions, we attach our callbacks to the returned promises instead, forming a promise chain: dosomething() .then(function(result) { return dosomethingelse(result); }) .then(function(newresult)...
... { return dothirdthing(newresult); }) .then(function(finalresult) { console.log('got the final result: ' + finalresult); }) .catch(failurecallback); the arguments to then are optional, and catch(failurecallback) is short for then(null, failurecallback).
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Array - JavaScript
common operations create an array let fruits = ['apple', 'banana'] console.log(fruits.length) // 2 access an array item using the index position let first = fruits[0] // apple let last = fruits[fruits.length - 1] // banana loop over an array fruits.foreach(function(item, index, array) { console.log(item, index) }) // apple 0 // banana 1 add an item to the end of an array let newlength = fruits.push('orange') // ["apple", "banana", "orange"] remove an item from the end of an array let last = fruits.pop() // remove orange (from the end) // ["apple", "banana"] remove an item from the beginning of an array let first = fruits.shift() // remove apple from the front // ["banana"] add an item to the beginning of an array let newlength = fruits.unshift('strawberry') // a...
... [1]: "bb" [2]: "d" constructor array() creates a new array object.
... static methods array.from() creates a new array instance from an array-like or iterable object.
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Object.create() - JavaScript
the object.create() method creates a new object, using an existing object as the prototype of the newly created object.
... syntax object.create(proto, [propertiesobject]) parameters proto the object which should be the prototype of the newly-created object.
... propertiesobject optional if specified and not undefined, an object whose enumerable own properties (that is, those properties defined upon itself and not enumerable properties along its prototype chain) specify property descriptors to be added to the newly-created object, with the corresponding property names.
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Understanding WebAssembly text format - WebAssembly
to create an equivalent value using javascript, you'd use the webassembly.global() constructor: const global = new webassembly.global({value: "i32", mutable: true}, 0); webassembly memory the above example is a pretty terrible logging function: it only prints a single integer!
...to deal with strings and other more complex data types, webassembly provides memory (although we also have reference types in newer implementation of webassembly).
...when growth occurs, since arraybuffers can’t change size, the current arraybuffer is detached and a new arraybuffer is created to point to the newer, bigger memory.
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Using the WebAssembly JavaScript API - WebAssembly
grab our simple.wasm file and save a copy in a new directory on your local machine.
...create a <script></script> element in your html file, and add the following code to it: var importobject = { imports: { imported_func: arg => console.log(arg) } }; streaming the webassembly module new in firefox 58 is the ability to compile and instantiate webassembly modules directly from underlying sources.
...in addition, newer implementations can also create shared memories, which can be transferred between window and worker contexts using postmessage(), and used in multiple places.
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Space Manager Detailed Design - Archive of obsolete content
*/ class nsspacemanager { public: nsspacemanager(nsipresshell* apresshell, nsiframe* aframe); ~nsspacemanager(); void* operator new(size_t asize); void operator delete(void* aptr, size_t asize); static void shutdown(); /* * get the frame that's associated with the space manager.
...this * creates a new local coordinate space relative to the current * coordinate space.
...link(this);} bandrect* prev() const {return (bandrect*)pr_prev_link(this);} void insertbefore(bandrect* abandrect) {pr_insert_before(abandrect, this);} void insertafter(bandrect* abandrect) {pr_insert_after(abandrect, this);} void remove() {pr_remove_link(this);} // split the band rect into two vertically, with this band rect becoming // the top part, and a new band rect being allocated and returned for the // bottom part // // does not insert the new band rect into the linked list bandrect* splitvertically(nscoord abottom); // split the band rect into two horizontally, with this band rect becoming // the left part, and a new band rect being allocated and returned for the // right part // // does not insert the new b...
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The Implementation of the Application Object Model - Archive of obsolete content
a site admin could add new bookmarks to the file, and then the user would pick them up.
...it does not make sense to confuse or obscure the purpose of html by adding in a whole slew of new functionality that hasnothing to do with the display of web pages.
...if we ship a browser that does not have 100% support for css2, for example, but we've extended html by adding 20-30 new tags, people are going to put down their blinders and see only the fact that we were off adding a whole slew of new stuff to html when we could have been firming up our standards story.
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tabbrowser - Archive of obsolete content
attributes autocompleteenabled, autocompletepopup, autoscroll, contentcontextmenu, contenttooltip, handlectrlpageupdown, onbookmarkgroup, onnewtab, tabmodalpromptshowing properties browsers, cangoback, cangoforward, contentdocument, contenttitle, contentvieweredit, contentviewerfile, contentwindow, currenturi, docshell, documentcharsetinfo, homepage, markupdocumentviewer, securityui, selectedbrowser, selectedtab, sessionhistory, tabcontainer, tabs, visibletabs, webbrowserfind, webnavigation, webprogress methods addprogresslistener, a...
... onnewtab not in firefox type: script code this script will be called when the new tab button is clicked.
...}) return type: tab element opens a new tab that loads a page with the specified url.
...And 10 more matches

Reference - Archive of obsolete content
well if you combine the two, you can have inherited private variables: function myclass(){ var property = 5; this.tellme = function(){ return property; } } function myotherclass(){ myclass.apply( this ); } var o = new myotherclass; alert( o.tellme() ); //alerts 5 as you'd expect — the preceding comment was added by psygnisfive (talk – contribs) on 22:23, 4 december 2006 terminology we need a terminology appendix.
...--maian 23:43, 21 september 2005 (pdt) i think we need a new section in the reference that specifies the differences between versions, collecting this information into a single location rather than leaving it scattered haphazardly throughout the reference as it currently is.
...see new_in_javascript_1.7#using_javascript_1.7.
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Building up a basic demo with PlayCanvas editor - Game development
creating a new project start a brand new project by clicking on the new button: the resulting dialog box will show a few different options.
...even though it's a blank new project we don't have to start entirely from scratch — the camera and directional light are prepared already, so you don't have to worry about them.
...you can drag it around or apply new values in the right panel.
...And 10 more matches

Building up a basic demo with the PlayCanvas engine - Game development
before reading on, copy this code to a new text file and save it in your working directory as index.html.
...add the following code to the bottom of your second <script> element: var app = new pc.application(canvas); app.start(); the pc global object contains all the playcanvas functions available in the engine.
... var camera = new pc.entity(); camera.addcomponent("camera", { clearcolor: new pc.color(0.8, 0.8, 0.8) }); app.root.addchild(camera); camera.setposition(0, 0, 7); the code above will create a new entity.
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What is JavaScript? - Learn web development
rgba(0,0,200,0.3); color: rgba(0,0,200,0.6); box-shadow: 1px 1px 2px rgba(0,0,200,0.4); border-radius: 10px; padding: 3px 10px; display: inline-block; cursor: pointer; } and finally, we can add some javascript to implement dynamic behaviour: const para = document.queryselector('p'); para.addeventlistener('click', updatename); function updatename() { let name = prompt('enter a new name'); para.textcontent = 'player 1: ' + name; } try clicking on this last version of the text label to see what happens (note also that you can find this demo on github — see the source code, or run it live)!
...in the above example for instance, we ask for a new name to be entered then store that name in a variable called name.
...for example: the dom (document object model) api allows you to manipulate html and css, creating, removing and changing html, dynamically applying new styles to your page, etc.
...And 10 more matches

Object-oriented JavaScript for beginners - Learn web development
in oop, we can create new classes based on other classes — these new child classes can be made to inherit the data and code features of their parent class, so you can reuse functionality common to all the object types rather than having to duplicate it.
...first of all, we'd like you to make a new local copy of the oojs.html file we saw in our first objects article.
...add this function within the script element: function createnewperson(name) { const obj = {}; obj.name = name; obj.greeting = function() { alert('hi!
...And 10 more matches

Object prototypes - Learn web development
objective: to understand javascript object prototypes, how prototype chains work, and how to add new methods onto the prototype property.
...that is, object.getprototypeof(new foobar()) refers to the same object as foobar.prototype.
... in this example, we have defined a constructor function, like so: function person(first, last, age, gender, interests) { // property and method definitions this.name = { 'first': first, 'last' : last }; this.age = age; this.gender = gender; //...see link in summary above for full definition } we have then created an object instance like this: let person1 = new person('bob', 'smith', 32, 'male', ['music', 'skiing']); if you type "person1." into your javascript console, you should see the browser try to auto-complete this with the member names available on this object: in this list, you will see the members defined on person1's constructor — person() — name, age, gender, interests, bio, and greeting.
...And 10 more matches

Introduction to client-side frameworks - Learn web development
this application should allow users to do things like render a list of tasks, add a new task, and delete a task; and it must do this while reliably tracking and updating the data underlying the application.
...we can iterate over the data to render it; we can add to an object to make a new task; we can use an identifier to find, edit, or delete a task.
...they don't bring brand-new powers to javascript; they give you easier access to javascript's powers so you can build for today's web.
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React interactivity: Editing, filtering, conditional rendering - Learn web development
it’ll be similar to deletetask() because it'll take an id to find its target object, but it'll also take a newname property containing the name to update the task to.
... we'll use array.prototype.map() instead of array.prototype.filter() because we want to return a new array with some changes, instead of deleting something from the array.
... add the edittask() function inside your app component, in the same place as the other functions: function edittask(id, newname) { const editedtasklist = tasks.map(task => { // if this task has the same id as the edited task if (id === task.id) { // return {...task, name: newname} } return task; }); settasks(editedtasklist); } pass edittask into our <todo /> components as a prop in the same way we did with deletetask: const tasklist = tasks.map(task => ( <todo id={task.id} name={task.name} completed={task.completed} key={task.id} toggletaskcompleted={toggletaskcompleted} deletetask={deletetask} edittask={edittask} /> )); now open todo.js.
...And 10 more matches

Introduction to automated testing - Learn web development
create a new directory somewhere sensible using your file manager ui, or, on a command line, by navigating to the location you want and running the following command: mkdir node-test to make this directory an npm project, you just need to go inside your test directory and initialize it, with the following: cd node-test npm init this second command will ask you many questions to find out the informat...
... first, install gulp globally (meaning, it will be available across all projects) using the following command: npm install --global gulp-cli next, run the following command inside your npm project directory root to set up gulp as a dependency of your project: npm install --save-dev gulp now create a new file inside your project directory called gulpfile.js.
... babel to transpile any new javascript syntax features to traditional syntax that works in older browsers (see gulp-babel).
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Deploying our app - Learn web development
note: cache busting is a new term that we haven't met before in the module.
... this is the strategy of breaking a browser's own caching mechanism, which forces the browser to download a new copy of your code.
... parcel (and indeed many other tools) will generate filenames that are unique to each new build.
...And 10 more matches

gtstd.html
create a new certificate database in the ca_db directory.
... setting up the server db and certificate the sections that follow describe how to set up the server db and certificate: create a new certificate database in the server_db directory.
... >mkdir server_db >certutil -n -d server_db import the new ca certificate into the server's certificate database, and mark it trusted for issuing certificates for ssl client and server authentication.
...And 10 more matches

JS_DefineObject
syntax jsobject * js_defineobject(jscontext *cx, js::handleobject obj, const char *name, const jsclass *clasp = nullptr, unsigned attrs = 0); name type description cx jscontext * the context in which to create the new object.
... obj js::handleobject object to which this new object belongs as a property.
... name const char * name of the property being defined in obj to hold the new object.
...And 10 more matches

Shell global objects
roperties: isrunonce use the isrunonce compiler option (default: false) noscriptrval use the no-script-rval compiler option (default: false) filename filename for error messages and debug info linenumber starting line number for error messages and debug info columnnumber starting column number for error messages and debug info global global in which to execute the code newcontext if true, create and use a new cx (default: false) catchtermination if true, catch termination (failure without an exception value, as for slow scripts or out-of-memory) and return 'terminated' element if present with value v, convert v to an object o and mark the source as being attached to the dom element o.
... putstr([exp]) evaluate and print expression without newline.
...if (s == '' && !o) return new o with eager standard classes, if (s == 'lazy' && !o) return new o with lazy standard classes evalinworker(str) evaluate str in a separate thread with its own runtime.
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Places utilities for JavaScript
[optional] expandqueries true to make query items expand as new containers.
... [optional] atitle the default title for the new bookmark.
... [optional] adescription the default description for the new bookmark [optional] adefaultinsertionpoint the default insertion point for the new item.
...And 10 more matches

Building the WebLock UI
in the following chapter we'll describe how you can take these files and create a package, an installable archive that includes the weblock component and the new ui.
...the third section, overlaying new user interface into mozilla, describes how to create an overlay into the browser that will make this dialog accessible from a mozilla build.
...as you can see, weblock is initialized as a global javascript variable, available in the scope of these functions and others: var weblock = components.classes["@dougt/weblock"] .getservice() .queryinterface(components.interfaces.iweblock); in addition to this basic setup, you must also write javascript that uses the addsite method to add new sites to the white list.
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Introduction to XPCOM for the DOM
a tutorial about how to add a new interface is also provided, and eventually, a more detailed discussion of class inheritance in c++.
... an instance of a class (called an object) can be allocated dynamically (on the heap, or free store), using the syntax nsfoo *fooptr = new nsfoo; that object can then be manipulated only through fooptr.
...the bad thing is that we have to find a way to improve those interfaces, and freezing them obliges implementers to create new interfaces.
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nsIMsgDatabase
mailnews/db/msgdb/public/nsimsgdatabase.idlscriptable please add a summary to this article.
...); void forcefolderdbclosed(in nsimsgfolder afolder); void close(in boolean aforcecommit); void commit(in nsmsgdbcommit committype); void forceclosed(); void clearcachedhdrs; void resethdrcachesize(in unsigned long size); nsimsgdbhdr getmsghdrforkey(in nsmsgkey key); nsimsgdbhdr getmsghdrformessageid(in string messageid); boolean containskey(in nsmsgkey key); nsimsgdbhdr createnewhdr(in nsmsgkey key); void addnewhdrtodb(in nsimsgdbhdr newhdr, in boolean notify); nsimsgdbhdr copyhdrfromexistinghdr(in nsmsgkey key, in nsimsgdbhdr existinghdr, in boolean addhdrtodb); void listallkeys(in nsmsgkeyarrayref outputkeys); native code only!
..., in nsidbchangelistener instigator); void setlabel(in nsmsgkey key, in nsmsglabelvalue label); void setstringproperty(in nsmsgkey akey, in string aproperty, in string avalue); void markimapdeleted(in nsmsgkey key, in boolean deleted, in nsidbchangelistener instigator); void applyretentionsettings(in nsimsgretentionsettings amsgretentionsettings, in boolean adeleteviafolder); boolean hasnew(); void clearnewlist(in boolean notify); void addtonewlist(in nsmsgkey key); void startbatch(); void endbatch(); nsimsgofflineimapoperation getofflineopforkey(in nsmsgkey messagekey, in boolean create); void removeofflineop(in nsimsgofflineimapoperation op); nsisimpleenumerator enumerateofflineops(); void listallofflineopids(in nsmsgkeyarrayptr offlineopids); native code only!
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nsIScriptableIO
need to get a reference as with other components: var scriptableio = components.classes["@mozilla.org/io/scriptable-io;1"] .getservice(); scriptableio.getfile("profile", "cookies.txt"); method overview nsifile getfile(in astring alocation, in astring afilename); nsifile getfilewithpath(in astring afilepath); nsisupports newinputstream(in nsivariant abase, in astring amode, [optional] in astring acharset, [optional] in astring areplacechar, [optional] in unsigned long abuffersize); nsisupports newoutputstream(in nsivariant abase, in astring amode, [optional] in astring acharset, [optional] in astring areplacechar, [optional] in unsigned long abuffersize, [optional] in unsigned long apermissions); ...
... nsiuri newuri(in nsivariant auri); methods getfile() retrieves a reference to a file or directory on disk.
... the file does not have to exist already; this method simply creates the file reference which may then be passed to the newinputstream() or newoutputstream() method to open the file for reading or writing.
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Initialization and Destruction - Plugins
instance creation: the browser calls the plug-in api function npp_new when the instance is created.
... during initialization, when the browser encounters data of a mime type registered for a plug-in (either embedded in an html page or in a separate file), it loads the plug-in code into memory (if it hasn't been loaded already) and creates a new instance of the plug-in.
... plug-in instances are created with npp_new and destroyed with npp_destroy.
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RTCPeerConnection.addTrack() - Web APIs
the rtcpeerconnection method addtrack() adds a new media track to the set of tracks which will be transmitted to the other peer.
...the ontrack handler might look like this: let inboundstream = null; pc.ontrack = ev => { if (ev.streams && ev.streams[0]) { videoelem.srcobject = ev.streams[0]; } else { if (!inboundstream) { inboundstream = new mediastream(); videoelem.srcobject = inboundstream; } inboundstream.addtrack(ev.track); } } here, the track event handler adds the track to the first stream specified by the event, if a stream is specified.
... otherwise, the first time ontrack is called, a new stream is created and attached to the video element, and then the track is added to the new stream.
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Web Video Text Tracks Format (WebVTT) - Web APIs
you may use anything in the text header except newlines or the string "-->".
... a blank line, which is equivalent to two consecutive newlines.
...comments may contain newlines but cannot contain a blank line, which is equivalent to two consecutive newlines.
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Migrating from webkitAudioContext - Web APIs
new engines implementing the web audio spec (such as gecko) will only implement the official, final version of the specification, which means that code using webkitaudiocontext or old naming conventions in the web audio specification may not immediately work out of the box in a compliant web audio implementation.
... if your code uses either of these names, like in the example below : // old method names var gain = context.creategainnode(); var delay = context.createdelaynode(); var js = context.createjavascriptnode(1024); you can simply rename the methods to look like this: // new method names var gain = context.creategain(); var delay = context.createdelay(); var js = context.createscriptprocessor(1024); the semantics of these methods remain the same in the renamed versions.
... (audiobuffersourcenode has yet another way of starting output: the notegrainon() method.) the noteon()/notegrainon()/noteoff() methods were the original way to start/stop output in these nodes, and in the newer versions of the specification, the noteon() and notegrainon() methods were consolidated into a single start() method, and the noteoff() method was renamed to the stop() method.
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Window: popstate event - Web APIs
if the goal is to catch the moment when the new document state is already fully in place, a zero-delay settimeout() method call should be used to effectively put its inner callback function that does the processing at the end of the browser event loop: window.onpopstate = () => settimeout(dosomething, 0); when popstate is sent when the transition occurs, either due to the user triggering the browser's "back" button or otherwise, the popstat...
...e event is near the end of the process to transition to the new location.
... it happens after the new location has loaded (if needed), displayed, made visible, and so on, after the pageshow event is sent, but before the persisted user state information is restored and the hashchange event is sent.
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Array.prototype.slice() - JavaScript
the slice() method returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included) where start and end represent the index of items in that array.
... return value a new array containing the extracted elements.
...elements of the original array are copied into the returned array as follows: for object references (and not the actual object), slice copies object references into the new array.
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Map - JavaScript
therefore, this appears to work in a way: let wrongmap = new map() wrongmap['bla'] = 'blaa' wrongmap['bla2'] = 'blaaa2' console.log(wrongmap) // map { bla: 'blaa', bla2: 'blaaa2' } but that way of setting a property does not interact with the map data structure.
... let contacts = new map() contacts.set('jessie', {phone: "213-555-1234", address: "123 n 1st ave"}) contacts.has('jessie') // true contacts.get('hilary') // undefined contacts.set('hilary', {phone: "617-555-4321", address: "321 s 2nd st"}) contacts.get('jessie') // {phone: "213-555-1234", address: "123 n 1st ave"} contacts.delete('raymond') // false contacts.delete('jessie') // true console.log(contacts.size) // 1 constructor map() creates a n...
... iteration methods map.prototype[@@iterator]() returns a new iterator object that contains an array of [key, value] for each element in the map object in insertion order.
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String.prototype.replace() - JavaScript
the replace() method returns a new string with some or all matches of a pattern replaced by a replacement.
... syntax const newstr = str.replace(regexp|substr, newsubstr|function) parameters regexp (pattern) a regexp object or literal.
... the match or matches are replaced with newsubstr or the value returned by the specified function.
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JavaScript Client API - Archive of obsolete content
to create a custom sync engine to synchronize a new data you, you'll need to define an engine object that extends the base syncengine object.
...the majority of the code you write for syncing a new data type will most likely be in the store implementation.
... in this case, it is highly recommended to use the utils.makeguid() helper to generate new guids: let newguid = utils.makeguid(); your store object must implement the following methods: itemexists(id) createrecord(id, collection) changeitemid(oldid, newid) getallids() wipe() create(record) update(record) remove(record) you may also find it useful to override other methods of the base implementation, for example applyincomingbatch if the underlying storage for your data s...
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Reading from Files - Archive of obsolete content
to create an input stream, first get a reference to a nsifile, and then use nsiscriptableio.newinputstream() to open a stream for reading from it.
...var file = io.getfile("home", "sample.txt"); var stream = io.newinputstream(file, "text"); this example first retrieves a file object using nsiscriptableio.getfile().
...next, nsiscriptableio.newinputstream() is called to create a new input stream for reading from the file.
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Graceful asynchronous programming with Promises - Learn web development
previous overview: asynchronous next promises are a comparatively new feature of the javascript language that allow you to defer further actions until after a previous action has completed, or respond to its failure.
...we're able to chain multiple asynchronous actions to occur one after another this way because each .then() block returns a new promise that resolves when the .then() block is done running.
... let promise2 = promise.then(response => { if (!response.ok) { throw new error(`http error!
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Third-party APIs - Learn web development
for example: const audioctx = new audiocontext(); ...
...for example: let map = l.mapquest.map('map', { center: [53.480759, -2.242631], layers: l.mapquest.tilelayer('map'), zoom: 12 }); here we are creating a variable to store the map information in, then creating a new map using the mapquest.map() method, which takes as its parameters the id of a <div> element you want to display the map in ('map'), and an options object containing the details of the particular map we want to display.
... to start this section, make yourself a copy of the mapquest starter file, in a new directory.
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Creating Sandboxed HTTP Connections
to create an nsiuri from an string, we use the newuri method of nsiioservice: // the io service var ioservice = components.classes["@mozilla.org/network/io-service;1"] .getservice(components.interfaces.nsiioservice); // create an nsiuri var uri = ioservice.newuri(myurlstring, null, null); once the nsiuri has been created, a nsichannel can be generated from it using nsiioservice's newchannelfromuri method: // get a ch...
...annel for that nsiuri var channel = ioservice.newchannelfromuri(uri); to initiate the connection, the asyncopen method is called.
... onstartrequest - gets called when a new request is initiated.
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Localization sign-off reviews
only evaluates new l10n work.
... this is done by generating a diff between the new release revision being considered and the previously approved release revision.
... evaluates new release revisions, not entire l10n repos.
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An overview of NSS Internals
it will detect and open an existing database, or it can create a new one.
...usually, nss will flush all data to disk as soon as new data has been added to permanent storage.
...the file could be named secmod.db, but in newer database generations a file named pkcs11.txt is used.
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NSS 3.24 release notes
nss 3.24 requires netscape portable runtime (nspr) 4.12 or newer.
... nss 3.24 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_24_rtm/src/ new in nss 3.24 nss 3.24 includes two nss softoken updates, a new function to configure ssl/tls server sockets, and two functions to improve the use of temporary arenas.
... new functionality nss softoken has been updated with the latest national institute of standards and technology (nist) guidance (as of 2015): software integrity checks and post functions are executed on shared library load.
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NSS 3.35 release notes
nss 3.35 requires nspr 4.18, or newer.
... nss 3.35 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_35_rtm/src/ new in nss 3.35 new functionality tls 1.3 support has been updated to draft -23.
... new types in sslt.h sslhandshaketype - the type of a tls handshake message.
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PKCS11 Implement
general-purpose functions c_initialize the nss calls c_initialize on startup or when it loads a new module.
... c_getfunctionlist the nss calls c_getfunctionlist on startup or when it loads a new module.
... c_getinfo the nss calls c_getinfo on startup or when it loads a new module.
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NSS tools : modutil
use this option with the -pwfile and -newpwfile arguments.
... -create create new certificate, key, and module databases.
... -jar jar-file add a new pkcs #11 module to the database using the named jar file.
...And 9 more matches

NSS tools : modutil
use this option with the -pwfile and -newpwfile arguments.
... -create create new certificate, key, and module databases.
... -jar jar-file add a new pkcs #11 module to the database using the named jar file.
...And 9 more matches

How to embed the JavaScript engine
*/ static jsclass global_class = { "global", jsclass_global_flags, js_propertystub, js_deletepropertystub, js_propertystub, js_strictpropertystub, js_enumeratestub, js_resolvestub, js_convertstub, }; int main(int argc, const char *argv[]) { jsruntime *rt = js_newruntime(8l * 1024 * 1024, js_use_helper_threads); if (!rt) return 1; jscontext *cx = js_newcontext(rt, 8192); if (!cx) return 1; { // scope for our various stack objects (jsautorequest, rootedobject), so they all go // out of scope before we js_destroycontext.
... jsautorequest ar(cx); // in practice, you would want to exit this any // time you're spinning the event loop js::rootedobject global(cx, js_newglobalobject(cx, &global_class, nullptr)); if (!global) return 1; js::rootedvalue rval(cx); { // scope for jsautocompartment jsautocompartment ac(cx, global); js_initstandardclasses(cx, global); const char *script = "'hello'+'world, it is '+new date()"; const char *filename = "noname"; int lineno = 1; bool ok = js_evaluatescript(cx, global, script, strlen(script), filename, lineno, rval.address()); if (!ok) return 1; } jsstring *str = rval.tostring(); printf("%s\n", js_encodestring(cx, str)); ...
...*/ static jsclass global_class = { "global", jsclass_global_flags, js_propertystub, js_deletepropertystub, js_propertystub, js_strictpropertystub, js_enumeratestub, js_resolvestub, js_convertstub, nullptr, nullptr, nullptr, nullptr, js_globalobjecttracehook }; int main(int argc, const char *argv[]) { js_init(); jsruntime *rt = js_newruntime(8l * 1024 * 1024, js_use_helper_threads); if (!rt) return 1; jscontext *cx = js_newcontext(rt, 8192); if (!cx) return 1; { // scope for our various stack objects (jsautorequest, rootedobject), so they all go // out of scope before we js_destroycontext.
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JSClass
a c/c++ program can use a jsclass with the js_initclass and js_newobject apis to create objects that have custom methods and properties implemented in c/c++.
... addproperty jspropertyop a hook called just after adding a new property.
... may modify the new property value.
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JS_InitClass
once js_initclass creates the new class's constructor, it stores the constructor as a property in this object.
... so, for example, if this object is js_getglobalobject(cx), then javascript code will be able to see the new class as a global name.
...js_initclass always creates a new prototype object that serves as the __proto__ for class instances; parent_proto becomes the __proto__ of that prototype object.
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SpiderMonkey 31
it also contains new language and api features described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
... migrating to spidermonkey 31 the first change most embedders will notice is that spidermonkey must now be initialized before it can be used, using the newly-repurposed js_init method.
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Web Replay
open a new tab in recording mode click the 'tools -> web developer -> web replay -> reload and record tab' menu item.
... open a saved recording in a new tab click the 'tools -> web developer -> web replay -> open new recording tab' menu item to open a new blank tab that is recorded.
... clicking the 'tools -> web developer -> web replay -> load recording in new tab' menu item will start a new tab which replays the recording to the end.
...And 9 more matches

Using the Places history service
when the user starts browsing (for example, by typing in a link or following a bookmark), a new session id is created.
... new visits get the same session id as their referrer.
... this means that one "session" is comprised of going to a new page, and following a bunch of links or redirects.
...And 9 more matches

nsIChannelEventSink
method overview void asynconchannelredirect(in nsichannel oldchannel, in nsichannel newchannel, in unsigned long flags, in nsiasyncverifyredirectcallback callback); void onchannelredirect(in nsichannel oldchannel, in nsichannel newchannel, in unsigned long flags); obsolete since gecko 2.0 constants constant value description redirect_temporary 1 << 0 this is a temporary redirect.
... new requests for this resource should continue to use the uri of the old channel.
... the new uri may be identical to the old one.
...And 9 more matches

nsIMsgIncomingServer
nsimsgincomingserver mailnews/base/public/nsimsgincomingserver.idlscriptable ???
...ring attr); acstring getcharattribute(in string name); acstring getcharvalue(in string attr); nsilocalfile getfilevalue(in string relpref, in string abspref); nsimsgfilterlist getfilterlist(in nsimsgwindow amsgwindow); long getintattribute(in string name); long getintvalue(in string attr); nsimsgfolder getmsgfolderfromuri(in nsimsgfolder afolderresource, in acstring auri); void getnewmessages(in nsimsgfolder afolder, in nsimsgwindow amsgwindow, in nsiurllistener aurllistener); acstring getpasswordwithui(in astring apromptstring, in astring aprompttitle, in nsimsgwindow amsgwindow, out boolean okayvalue); astring getunicharattribute(in string name); astring getunicharvalue(in string attr); boolean isnewhdrduplicate(in nsimsgdbhdr anewhdr); void onuserorhostnamechang...
...ed(in acstring oldname, in acstring newname); void performbiff(in nsimsgwindow amsgwindow); void performexpand(in nsimsgwindow amsgwindow); void removefiles(); void setboolattribute(in string name, in boolean value); void setboolvalue(in string attr, in boolean value); void setcharattribute(in string name, in acstring value); void setcharvalue(in string attr, in acstring value); void setdefaultlocalpath(in nsilocalfile adefaultlocalpath); void setfilevalue(in string relpref, in string abspref, in nsilocalfile avalue); void setfilterlist(in nsimsgfilterlist afilterlist); void setintattribute(in string name, in long value); void setintvalue(in string attr, in long value); void setunicharattribute(in string name, in astring value); void setunicharvalue(in string attr,...
...And 9 more matches

nsINavHistoryService
sfollowedbookmark(in nsiuri auri); void markpageasfollowedlink(in nsiuri auri); void markpageastyped(in nsiuri auri); boolean canadduri(in nsiuri auri); long long addvisit(in nsiuri auri, in prtime atime, in nsiuri areferringuri, in long atransitiontype, in boolean aisredirect, in long long asessionid); obsolete since gecko 22.0 nsinavhistoryquery getnewquery(); nsinavhistoryqueryoptions getnewqueryoptions(); nsinavhistoryresult executequery(in nsinavhistoryquery aquery, in nsinavhistoryqueryoptions options); nsinavhistoryresult executequeries([array,size_is(aquerycount)] in nsinavhistoryquery aqueries, in unsigned long aquerycount, in nsinavhistoryqueryoptions options); void querystringtoqueries(in autf8string...
... constants transition type constants constant value description transition_link 1 this transition type means the user followed a link and got a new toplevel window.
...you should use the new async api moziasynchistory.updateplaces() instead.
...And 9 more matches

nsIProfile
method overview void cloneprofile(in wstring profilename); void createnewprofile(in wstring profilename, in wstring nativeprofiledir, in wstring langcode, in boolean useexistingdir); void deleteprofile(in wstring name, in boolean candeletefiles); void getprofilelist(out unsigned long length, [retval, array, size_is(length)] out wstring profilenames); boolean profileexists(in wstring profilename); void renameprofile(in wstring oldname...
..., in wstring newname); void shutdowncurrentprofile(in unsigned long shutdowntype); attributes attribute type description currentprofile wstring the name of the profile currently in use.
...unimplemented methods cloneprofile() clones the current profile, creating a copy of it with a new name.
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Add to iPhoto
in c, the declaration looks like this: typedef struct { cfindex location; cfindex length; } cfrange; to declare this for use with js-ctypes, we use the following code: this.cfrange = new ctypes.structtype("cfrange", [ {'location': ctypes.int32_t}, {'length': ctypes.int32_t}]); this defines corefoundation.cfrange to represent this data type, comprised of two 32-bit integer fields called location and length.
... this.cfstringref = new ctypes.pointertype("cfstringref"); now that we've declared the core type, we can declare the methods we use that work with cfstring objects.
... this.cfstringcreatewithcharacters = this.lib.declare("cfstringcreatewithcharacters", ctypes.default_abi, this.cfstringref, // returns a new cfstringref ctypes.voidptr_t, // allocator ctypes.jschar.ptr, // pointer to the unicode string ctypes.int32_t); // length of the string cfstringcreatewithcharacters() is used to create a new cfstring object using a unicode string as the source string, which is copied into the new cfstring object.
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Debugger - Firefox Developer Tools
the debugger object when called as a constructor, the debugger object creates a new debugger instance.
... new debugger([global, …]) create a debugger object, and apply its adddebuggee method to each of the givenglobal objects to add them as the initial debuggees.
... if the uncaught exception hook itself throws an exception,uncaught-hook-exception, spidermonkey throws a new error object,confess-to-debuggee-exception, to the debuggee whose message blames the debugger, and includes textual descriptions ofuncaught-hook-exception and the originaldebugger-exception.
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Debugger.Object - Firefox Developer Tools
while most debugger.object instances are created by spidermonkey in the process of exposing debuggee's behavior and state to the debugger, the debugger can use debugger.object.prototype.makedebuggeevalue to create debugger.object instances for given debuggee objects, or use debugger.object.prototype.copy and debugger.object.prototype.create to create new objects in debuggee compartments, allocated as if by particular debuggee globals.
... accessor properties of the debugger.object prototype a debugger.object instance inherits the following accessor properties from its prototype: proto the referent's prototype (as a new debugger.object instance), or null if it has no prototype.
... proxyconstructtrap if the referent is a function proxy whose handler object was allocated by debuggee code, its construction trap function—the function called when the function proxy is called via a new expression.
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EventTarget.addEventListener() - Web APIs
html <table id="outside"> <tr><td id="t1">one</td></tr> <tr><td id="t2">two</td></tr> </table> javascript // function to change the content of t2 function modifytext(new_text) { const t2 = document.getelementbyid("t2"); t2.firstchild.nodevalue = new_text; } // function to add event listener to table const el = document.getelementbyid("outside"); el.addeventlistener("click", function(){modifytext("four")}, false); notice that the listener is an anonymous function that encapsulates code that is then, in turn, able to send parameters to the modifytext() funct...
... html <table id="outside"> <tr><td id="t1">one</td></tr> <tr><td id="t2">two</td></tr> </table> javascript // function to change the content of t2 function modifytext(new_text) { const t2 = document.getelementbyid("t2"); t2.firstchild.nodevalue = new_text; } // add event listener to table with an arrow function const el = document.getelementbyid("outside"); el.addeventlistener("click", () => { modifytext("four"); }, false); result please note that while anonymous and arrow functions are similar, they have different this bindings.
...ge html <div class="outer"> outer, once & none-once <div class="middle" target="_blank"> middle, capture & none-capture <a class="inner1" href="https://www.mozilla.org" target="_blank"> inner1, passive & preventdefault(which is not allowed) </a> <a class="inner2" href="https://developer.mozilla.org/" target="_blank"> inner2, none-passive & preventdefault(not open new page) </a> </div> </div> css .outer, .middle, .inner1, .inner2 { display: block; width: 520px; padding: 15px; margin: 15px; text-decoration: none; } .outer { border: 1px solid red; color: red; } .middle { border: 1px solid green; color: green; width: 460px; } .inner1, .inner2 { border: 1px solid purple; color: purple; width: 400px; } javascript const ...
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Node.insertBefore() - Web APIs
if the given node already exists in the document, insertbefore() moves it from its current position to the new position.
... (that is, it will automatically be removed from its existing parent before appending it to the specified new parent.) this means that a node cannot be in two locations of the document simultaneously.
... note: the node.clonenode() can be used to make a copy of the node before appending it under the new parent.
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Array.prototype.map() - JavaScript
the map() method creates a new array populated with the results of calling a provided function on every element in the calling array.
... syntax let new_array = arr.map(function callback( currentvalue[, index[, array]]) { // return element for new_array }[, thisarg]) parameters callback function that is called for every element of arr.
... each time callback executes, the returned value is added to new_array.
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BigInt64Array - JavaScript
constructor bigint64array() creates a new bigint64array object.
... static methods bigint64array.from() creates a new bigint64array from an array-like or iterable object.
... bigint64array.of() creates a new bigint64array with a variable number of arguments.
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BigUint64Array - JavaScript
constructor biguint64array() creates a new biguint64array object.
... static methods biguint64array.from() creates a new biguint64array from an array-like or iterable object.
... biguint64array.of() creates a new biguint64array with a variable number of arguments.
...And 9 more matches

Float32Array - JavaScript
constructor float32array() creates a new float32array object.
... static methods float32array.from() creates a new float32array from an array-like or iterable object.
... float32array.of() creates a new float32array with a variable number of arguments.
...And 9 more matches

Float64Array - JavaScript
constructor float64array() creates a new float64array object.
... static methods float64array.from() creates a new float64array from an array-like or iterable object.
... float64array.of() creates a new float64array with a variable number of arguments.
...And 9 more matches

Int16Array - JavaScript
constructor int16array() creates a new int16array object.
... static methods int16array.from() creates a new int16array from an array-like or iterable object.
... int16array.of() creates a new int16array with a variable number of arguments.
...And 9 more matches

Int32Array - JavaScript
constructor int32array() creates a new int32array object.
... static methods int32array.from() creates a new int32array from an array-like or iterable object.
... int32array.of() creates a new int32array with a variable number of arguments.
...And 9 more matches

Int8Array - JavaScript
constructor int8array() creates a new int8array object.
... static methods int8array.from() creates a new int8array from an array-like or iterable object.
... int8array.of() creates a new int8array with a variable number of arguments.
...And 9 more matches

Object.defineProperty() - JavaScript
the static method object.defineproperty() defines a new property directly on an object, or modifies an existing property on an object, and returns the object.
... creating a property when the property specified doesn't exist in the object, object.defineproperty() creates a new property as described.
... var o = {}; // creates a new object // example of an object property added // with defineproperty with a data property descriptor object.defineproperty(o, 'a', { value: 37, writable: true, enumerable: true, configurable: true }); // 'a' property exists in the o object and its value is 37 // example of an object property added // with defineproperty with an accessor property descriptor var bvalue = 38; object.defineproperty(o, 'b', { // using shorthand method names (es2015 feature).
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handler.construct() - JavaScript
the handler.construct() method is a trap for the new operator.
... in order for the new operation to be valid on the resulting proxy object, the target used to initialize the proxy must itself have a [[construct]] internal method (i.e.
... new target must be valid).
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Reflect.construct() - JavaScript
the static reflect.construct() method acts like the new operator, but as a function.
... it is equivalent to calling new target(...args).
... syntax reflect.construct(target, argumentslist[, newtarget]) parameters target the target function to call.
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String - JavaScript
creating strings strings can be created as primitives, from string literals, or as objects, using the string() constructor: const string1 = "a string primitive"; const string2 = 'also a string primitive'; const string3 = `yet another string primitive`; const string4 = new string("a string object"); string primitives and string objects can be used interchangeably in most situations.
...(the same is true of boolean and numbers.) string literals (denoted by double or single quotes) and strings returned from string calls in a non-constructor context (that is, called without using the new keyword) are primitive strings.
... let s_prim = 'foo' let s_obj = new string(s_prim) console.log(typeof s_prim) // logs "string" console.log(typeof s_obj) // logs "object" string primitives and string objects also give different results when using eval().
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Uint16Array - JavaScript
constructor uint16array() creates a new uint16array object.
... static methods uint16array.from() creates a new uint16array from an array-like or iterable object.
... uint16array.of() creates a new uint16array with a variable number of arguments.
...And 9 more matches

Uint32Array - JavaScript
constructor uint32array() creates a new uint32array object.
... static methods uint32array.from() creates a new uint32array from an array-like or iterable object.
... uint32array.of() creates a new uint32array with a variable number of arguments.
...And 9 more matches

Uint8Array - JavaScript
constructor uint8array() creates a new uint8array object.
... static methods uint8array.from() creates a new uint8array from an array-like or iterable object.
... uint8array.of() creates a new uint8array with a variable number of arguments.
...And 9 more matches

Uint8ClampedArray - JavaScript
constructor uint8clampedarray() creates a new uint8clampedarray object.
... static methods uint8clampedarray.from() creates a new uint8clampedarray from an array-like or iterable object.
... uint8clampedarray.of() creates a new uint8clampedarray from a variable number of arguments.
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Drag and Drop Example - Archive of obsolete content
« previous gecko 1.9.1 (firefox 3.5) and later supports a newer and simpler api.
...a maximum size is also specified so that it doesn't resize when new elements are dragged onto it.
...it will contain three buttons, one to create new buttons, one to create check boxes and the other to create textboxes.
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Manifest Files - Archive of obsolete content
that means that all you need to do to install a new package is add a new manifest file either into the application chrome directory or the user specific chrome directory.
... if you just want to try testing privileged xul code in the firefox browser, you can do this easily by just using a manifest with only one line in it: create a new directory somewhere.
... for example, on a windows machine, you might use c:\testfiles create a new ascii1 file called test.manifest in the chrome directory.
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Building up a basic demo with Babylon.js - Game development
before reading on, copy this code to a new text file and save it in your working directory as index.html.
...add the following code to the bottom of your second <script> element: var engine = new babylon.engine(canvas); the babylon global object contains all the babylon.js functions available in the engine.
...while creating new objects in the demo, we will be adding them all to the scene to make them visible on the screen.
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2D maze game with device orientation - Game development
it’s quite new, but growing rapidly thanks to the passionate community involved in the development process.
...mo</title> <style> body { margin: 0; background: #333; } </style> <script src="src/phaser-arcade-physics.2.2.2.min.js"></script> <script src="src/boot.js"></script> <script src="src/preloader.js"></script> <script src="src/mainmenu.js"></script> <script src="src/howto.js"></script> <script src="src/game.js"></script> </head> <body> <script> (function() { var game = new phaser.game(320, 480, phaser.canvas, 'game'); game.state.add('boot', ball.boot); game.state.add('preloader', ball.preloader); game.state.add('mainmenu', ball.mainmenu); game.state.add('howto', ball.howto); game.state.add('game', ball.game); game.state.start('boot'); })(); </script> </body> </html> so far we have a simple html website with some basic content in the <head> ...
... var game = new phaser.game(320, 480, phaser.canvas, 'game'); the line above will initialize the phaser instance — the arguments are the width of the canvas, height of the canvas, rendering method (we're using canvas, but there are also webgl and auto options available) and the optional id of the dom container we want to put the canvas in.
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Positioning - Learn web development
my adjacent block level elements sit on new lines below me.</p> <p class="positioned">by default we span 100% of the width of our parent element, and we are as tall as our child content.
...overflowing inline elements <span>wrap onto a new line if possible — like this one containing text</span>, or just go on to a new line if not, much like this image will do: <img src="https://udn.realityripple.com/samples/9e/6ff6af6fd4.jpg"></p> body { width: 500px; margin: 0 auto; } p { background: aqua; border: 3px solid blue; padding: 10px; margin: 10px; } span { background: red; border: 1px solid black; } .positioned { ...
...my adjacent block level elements sit on new lines below me.</p> <p class="positioned">by default we span 100% of the width of our parent element, and we are as tall as our child content.
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Vue conditional rendering: editing existing todos - Learn web development
in your components directory, create a new file called todoitemeditform.vue.
... copy the following code into that file: <template> <form class="stack-small" @submit.prevent="onsubmit"> <div> <label class="edit-label">edit name for &quot;{{label}}&quot;</label> <input :id="id" type="text" autocomplete="off" v-model.lazy.trim="newlabel" /> </div> <div class="btn-group"> <button type="button" class="btn" @click="oncancel"> cancel <span class="visually-hidden">editing {{label}}</span> </button> <button type="submit" class="btn btn__primary"> save <span class="visually-hidden">edit for {{label}}</span> </button> </div> </form> </template> <script> export default { props: { label: { type: string, required: true }, id: { type: string, required: true ...
... } }, data() { return { newlabel: this.label }; }, methods: { onsubmit() { if (this.newlabel && this.newlabel !== this.label) { this.$emit("item-edited", this.newlabel); } }, oncancel() { this.$emit("edit-cancelled"); } } }; </script> <style scoped> .edit-label { font-family: arial, sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; color: #0b0c0c; display: block; margin-bottom: 5px; } input { display: inline-block; margin-top: 0.4rem; width: 100%; min-height: 4.4rem; padding: 0.4rem 0.8rem; border: 2px solid #565656; } form { display: flex; flex-direction: row; flex-wrap: wrap; } form > * { flex: 0 0 100%; } </style> note: walk through the above code then re...
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Storage access policy: Block cookies from trackers
firefox includes a new storage access policy that blocks cookies and other site data from third-party tracking resources.
...that's because we document new aspects of the policy as soon as they land in firefox nightly, our pre-release channel.
... we recommend sites test with firefox nightly, as this includes the newest version of our protections.
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Promise
promises may also be created using the new promise() constructor.
... method overview promise then([optional] function onfulfill, [optional] function onreject); promise catch([optional] function onreject); constructor creates a new promise, initially in the pending state, and provides references to the resolving functions that can be used to change its state.
... new promise(executor); parameters executor this function is invoked immediately with the resolving functions as its two arguments: executor(resolve, reject); the constructor will not return until the executor has completed.
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JSAPI Cookbook
creating an array // javascript var x = []; // or "x = array()", or "x = new array" /* jsapi */ js::rootedobject x(cx, js_newarrayobject(cx, 0)); if (!x) return false; creating an object // javascript var x = {}; // or "x = object()", or "x = new object" /* jsapi */ js::rootedobject x(cx, js_newplainobject(cx)); // or js_newobject(cx, js::nullptr(), js::nullptr(), js::nullptr()); if (!x) return false; constructing an object with new // javascript var pe...
...rson = new person("dave", 24); it looks so simple in javascript, but a jsapi application has to do three things here: look up the constructor, person prepare the arguments ("dave", 24) call js_new to simulate the new keyword (if your constructor doesn't take any arguments, you can skip the second step and call js_new(cx, constructor, 0, null) in step 3.) /* jsapi */ /* step 1 - get the value of |person| and check that it is an object.
...*/ js::rootedstring name_str(cx, js_newstringcopyz(cx, "dave")); if (!name_str) return false; js::autovaluearray<2> args(cx); args[0].setstring(name_str); args[1].setint32(24); /* step 3 - call |new person(...args)|, passing the arguments.
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SpiderMonkey 1.8.8
these release notes are an incomplete draft and were initially seeded from the 1.8.5 release notes, so lots of the information here isn't actually new to spidermonkey 1.8.8 (nor is it even the case that the version number will be 1.8.8!).
... it also contains new language and api features described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
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SpiderMonkey 17
these release notes are an incomplete draft and were initially seeded from the (now-defunct) 1.8.8 release notes, which were themselves seeded from the 1.8.5 release notes, so lots of the information here isn't actually new to spidermonkey 17.
... it also contains new language and api features described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
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Handling Mozilla Security Bugs
this document describes how the new security organizational structure will work, and how security-related mozilla bug reports will be handled.
... note that the focus of this new structure is restricted solely to addressing actual security vulnerabilities arising from problems in mozilla code.
... this work is separate from the work of developers adding new security features (cryptographically-based or otherwise) to mozilla, although obviously many of the same people will be involved in both sets of activities.
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Finishing the Component
copying interfaces into your build environment to get and implement interfaces that are not part of gecko in your component, simply create a new directory in the gecko sdk named unfrozen.
... copy the headers and idl files that you need from the content/base/public source directory of the gecko build into this new directory.
... implementing the nsicontentpolicy interface to implement the new interface, you must #include the unfrozen nsicontentpolicy, and you must also make sure the build system can find the file you've brought over.
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mozIStorageConnection
this is used by the storage api when creating new databases, and must match the sqlite_default_page_size configured in db/sqlite3/src/makefile.in.
... begintransaction() starts a new transaction deferred transaction.
... begintransactionas() this method starts a new transaction of the given transaction type.
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nsIXULTemplateBuilder
if a different match would become active, the content for the existing match is removed and the content for the new match is generated.
... last changed in gecko 1.9 (firefox 3) inherits from: nsisupports method overview void rebuild(); void refresh(); void addresult(in nsixultemplateresult aresult, in nsidomnode aquerynode); void removeresult(in nsixultemplateresult aresult); void replaceresult(in nsixultemplateresult aoldresult, in nsixultemplateresult anewresult, in nsidomnode aquerynode); void resultbindingchanged(in nsixultemplateresult aresult); nsixultemplateresult getresultforid(in astring aid); nsixultemplateresult getresultforcontent(in nsidomelement aelement); boolean hasgeneratedcontent(in nsirdfresource anode, in nsiatom atag); void addrulefilter(in nsidomnode arule, in nsixultemplaterulefilter afilter); [noscript] void init(i...
...addresult() informs the template builder that a new result is available.
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Using Fetch - Web APIs
const formdata = new formdata(); const filefield = document.queryselector('input[type="file"]'); formdata.append('username', 'abc123'); formdata.append('avatar', filefield.files[0]); fetch('https://example.com/profile/avatar', { method: 'put', body: formdata }) .then(response => response.json()) .then(result => { console.log('success:', result); }) .catch(error => { console.error('error:', error); }); upl...
... const formdata = new formdata(); const photos = document.queryselector('input[type="file"][multiple]'); formdata.append('title', 'my vegas vacation'); for (let i = 0; i < photos.files.length; i++) { formdata.append('photos', photos.files[i]); } fetch('https://example.com/posts', { method: 'post', body: formdata, }) .then(response => response.json()) .then(result => { console.log('success:', result); }) .catch(error => { console.error('error:', error); }); processing a text file line by line the chunks that are read from a response are not broken neatly at line boundaries and are uint8arrays, not strings.
... async function* maketextfilelineiterator(fileurl) { const utf8decoder = new textdecoder('utf-8'); const response = await fetch(fileurl); const reader = response.body.getreader(); let { value: chunk, done: readerdone } = await reader.read(); chunk = chunk ?
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Working with the History API - Web APIs
state object the state object is a javascript object which is associated with the new history entry created by pushstate().
... whenever the user navigates to the new state, a popstate event is fired, and the state property of the event contains a copy of the history entry's state object.
... url the new history entry's url is given by this parameter.
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Using the Payment Request API - Web APIs
creating a new payment request object a payment request always starts with the creation of a new paymentrequest object — using the paymentrequest() constructor.
... so for example, you could create a new paymentrequest instance like so: var request = new paymentrequest(buildsupportedpaymentmethoddata(), buildshoppingcartdetails()); the functions invoked inside the constructor simply return the required object parameters: function buildsupportedpaymentmethoddata() { // example supported payment methods: return [{ supportedmethods: 'basic-card', data:...
...it returns a promise that fulfills with a boolean indicating whether it is or not, for example: // dummy payment request to check whether payment can be made new paymentrequest(buildsupportedpaymentmethoddata(), {total: {label: 'stub', amount: {currency: 'usd', value: '0.01'}}}) .canmakepayment() .then(function(result) { if(result) { // real payment request var request = new paymentrequest(buildsupportedpaymentmethoddata(), checkoutobject); request.show().t...
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RTCRtpSender.replaceTrack() - Web APIs
the rtcrtpsender method replacetrack() replaces the track currently being used as the sender's source with a new mediastreamtrack.
... the new track must be of the same media kind (audio, video, etc) and switching the track should not require negotiation.
... syntax trackreplacedpromise = sender.replacetrack(newtrack); parameters newtrack optional a mediastreamtrack specifying the track with which to replace the rtcrtpsender's current source track.
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SVGTransformList - Web APIs
note: starting in gecko 9.0,the svgtransformlist dom interface is now indexable and can be accessed like arrays interface overview also implement none methods void clear() svgtransform initialize(in svgtransform newitem) svgtransform getitem(in unsigned long index) svgtransform insertitembefore(in svgtransform newitem, in unsigned long index) svgtransform replaceitem(in svgtransform newitem, in unsigned long index) svgtransform removeitem(in unsigned long index) svgtransform appenditem(in svgtransform newitem) svgtransform createsvgtransformfrommatrix(in svgmatrix) svgtrans...
... initialize(in svgtransform newitem) svgtransform clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.
... insertitembefore(in svgtransform newitem, in unsigned long index) svgtransform inserts a new item into the list at the specified position.
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Writing a WebSocket server in C# - Web APIs
here's a barebones server implementation: ​using system.net.sockets; using system.net; using system; class server { public static void main() { tcplistener server = new tcplistener(ipaddress.parse("127.0.0.1"), 80); server.start(); console.writeline("server has started on 127.0.0.1:80.{0}waiting for a connection...", environment.newline); tcpclient client = server.accepttcpclient(); console.writeline("a client connected."); } } tcpclient methods: system.net.sockets.networkstream getstream() gets the stream which is ...
... tcpclient client = server.accepttcpclient(); console.writeline("a client connected."); networkstream stream = client.getstream(); //enter to an infinite cycle to be able to handle every change in stream while (true) { while (!stream.dataavailable); byte[] bytes = new byte[client.available]; stream.read(bytes, 0, bytes.length); } handshaking when a client connects to a server, it sends a get request to upgrade the connection to a websocket from a simple http request.
... using system.text; using system.text.regularexpressions; while(client.available < 3) { // wait for enough bytes to be available } byte[] bytes = new byte[client.available]; stream.read(bytes, 0, bytes.length); //translate bytes of request to string string data = encoding.utf8.getstring(bytes); if (regex.ismatch(data, "^get")) { } else { } the response is easy to build, but might be a little bit difficult to understand.
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Inputs and input sources - Web APIs
for example, if an xr device provides a mode in which the mouse is used to simulate events on the device, a new xrinputsource object might be created to represent the simulated input source for the duration of handling the action.
... let inputsourcelist = xrsession.inputsources; due to the fact that the contents of the xrinputsource objects representing each input source in the list are read-only, changes to these inputs are made by the webxr system by deleting the source's record and adding a new one to replace it.
... added an array of zero or more xrinputsource objects indicating the input sources that have been newly added to the xr system.
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Spaces and reference spaces: Spatial tracking in WebXR - Web APIs
offsetting or moving reference spaces while you can't change a reference space since both xrreferencespace and xrboundedreferencespace are read-only, you can easily create new reference spaces by applying an offset transform to them.
...for example, to create a new reference space that moves the reference space arefspace a half meter in each direction, you can do something like this: let halfmetertransform = new xrrigidtransform({ x: 0.5, y: 0.5, z: 0.5, w: 1.0 }); arefspace = arefspace.getoffsetreferencespace(halfmetertransform); this replaces the existing reference space arefspace with one whose coordinates and orientation have had the transform halfmetertransform applied.
... let viewerpose = frame.getviewerpose(worldreferencespace); let newsession = navigator.xr.requestsession("immersive-vr", { requiredfeatures: "unbounded" }); worldreferencespace = await newsession.requestreferencespace("unbounded"); viewerpose = worldreferencespace.getoffsetreferencespace(viewerpose.transform); here, the viewer pose is obtained, with its transform defined relative to worldreferencespace, the current session's global reference space.
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Starting up and shutting down a WebXR session - Web APIs
webxr availability as a new and still in development api, webxr support is limited to specific devices and browsers; and even on those, it may not be enabled by default.
... be sure to read the readme carefully; the polyfill comes in several versions depending on what degree of compatibility with newer javascript features your target browsers include.
... let webxrpolyfill = null; function getxr(usepolyfill) { let tempxr; let temppoly; switch(usepolyfill) { case "if-needed": if (!navigator.xr) { webxrpolyfill = new webxrpolyfill(); } tempxr = navigator.xr; break; case "yes": webxrpolyfill = new webxrpolyfill(); tempxr = navigator.xr; break; case "no": default: tempxr = navigator.xr; break; } return tempxr; } const xr = getxr("no"); // get the native xrsystem object const xr = getxr("yes"); // always returns an xrsystem from the polyfill cons...
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XRReferenceSpace.getOffsetReferenceSpace() - Web APIs
the xrreferencespace interface's getoffsetreferencespace() method returns a new reference space object which describes the relative difference in position between the object on which the method is called and a given point in 3d space.
... syntax offsetreferencespace = xrreferencespace.getoffsetreferencespace(originoffset); parameters originoffset an xrrigidtransform specifying the offset to the origin of the new reference space.
... these values are added to the position and orientation of the current reference space and then the result is used as the position and orientation of the newly created xrreferencespace.
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Box-shadow generator - CSS: Cascading Style Sheets
; elem = document.queryselectorall('.ui-slider-btn-set'); size = elem.length; for (var i = 0; i < size; i++) setbuttoncomponent(elem[i]); elem = document.queryselectorall('.ui-slider-input'); size = elem.length; for (var i = 0; i < size; i++) setinputcomponent(elem[i]); elem = document.queryselectorall('.ui-slider'); size = elem.length; for (var i = 0; i < size; i++) new slider(elem[i]); } return { init : init, setvalue : setvalue, subscribe : subscribe, unsubscribe : unsubscribe } })(); /** * ui-buttonmanager */ var buttonmanager = (function checkboxmanager() { var subscribers = []; var buttons = []; var checkbox = function checkbox(node) { var topic = node.getattribute('data-topic'); var state = node.getattribute('data-state'); var n...
...; subscribers[topic].splice(index, 1); } var notify = function notify() { if (subscribers[this.topic] === undefined) return; for (var i = 0; i < subscribers[this.topic].length; i++) subscribers[this.topic][i](this.checkbox.checked); } var init = function init() { var elem = document.queryselectorall('.ui-checkbox'); var size = elem.length; for (var i = 0; i < size; i++) new checkbox(elem[i]); } return { init : init, setvalue : setvalue, subscribe : subscribe, unsubscribe : unsubscribe } })(); window.addeventlistener("load", function(){ boxshadow.init(); }); var boxshadow = (function boxshadow() { function getelembyid(id) { return document.getelementbyid(id); } /** * rgba color class */ function color() { this.r = 0; this.g = 0; th...
... 1) { a = 'a'; v = ', ' + this.a; } var value = "rgb" + a + rgb + v + ")"; return value; } color.prototype.getcolor = function getcolor() { if (this.a | 0 === 1) return this.gethexa(); return this.getrgba(); } /** * shadow object */ function shadow() { this.inset = false; this.posx = 5; this.posy = -5; this.blur = 5; this.spread = 0; this.color = new color(); var hue = (math.random() * 360) | 0; var saturation = (math.random() * 75) | 0; var value = (math.random() * 50 + 50) | 0; this.color.sethsv(hue, saturation, value, 1); } shadow.prototype.computecss = function computecss() { var value = ""; if (this.inset === true) value += "inset "; value += this.posx + "px "; value += this.posy + "px "; value += this.blur +...
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Block formatting context - Developer guides
column-span: all should always create a new formatting context, even when the column-span: all element isn't contained by a multicol container (spec change, chrome bug).
... formatting contexts affect layout, but typically, we create a new block formatting context for the positioning and clearing floats rather than changing the layout, because an element that establishes a new block formatting context will: contain internal floats.
... note: a flex/grid container(display: flex/grid/inline-flex/inline-grid) establishes a new flex/grid formatting context, which is similar to block formatting context except layout.
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Evolution of HTTP - HTTP
on august 6th 1991, tim berners-lee's post on the public alt.hypertext newsgroup is now considered as the official start of the world wide web as a public project.
... with the help of the new http headers, the ability to transmit other documents than plain html files has been added (thanks to the content-type header).
... more than 15 years of extensions thanks to its extensibility – creating new headers or methods is easy – and even if the http/1.1 protocol was refined over two revisions, rfc 2616 published in june 1999 and the series of rfc 7230-rfc 7235 published in june 2014 in prevision of the release of http/2, this protocol has been extremely stable over more than 15 years.
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Functions - JavaScript
function map(f, a) { let result = []; // create a new array let i; // declare variable for (i = 0; i != a.length; i++) result[i] = f(a[i]); return result; } in the following code, the function receives a function defined by a function expression and executes it for every element of the array received as a second argument.
... function map(f, a) { let result = []; // create a new array let i; // declare variable for (i = 0; i != a.length; i++) result[i] = f(a[i]); return result; } const f = function(x) { return x * x * x; } let numbers = [0, 1, 2, 5, 10]; let cube = map(f,numbers); console.log(cube); function returns: [0, 1, 8, 125, 1000].
...since each call provides potentially different arguments, a new closure is created for each call to outside.
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Numbers and dates - JavaScript
to create a date object: var dateobjectname = new date([parameters]); where dateobjectname is the name of the date object being created; it can be a new object or a property of an existing object.
... calling date without the new keyword returns a string representing the current date and time.
...for example, today = new date();.
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Proxy - JavaScript
for example, this code defines a simple target with just two properties, and an even simpler handler with no properties: const target = { message1: "hello", message2: "everyone" }; const handler1 = {}; const proxy1 = new proxy(target, handler1); because the handler is empty, this proxy behaves just like the original target: console.log(proxy1.message1); // hello console.log(proxy1.message2); // everyone to customise the proxy, we define functions on the handler object: const target = { message1: "hello", message2: "everyone" }; const handler2 = { get: function(target, prop, receiver) { return "wo...
...rld"; } }; const proxy2 = new proxy(target, handler2); here we've provided an implementation of the get() handler, which intercepts attempts to access properties in the target.
...world console.log(proxy2.message2); // world with the help of the reflect class we can give some accessors the original behavior and redefine others: const target = { message1: "hello", message2: "everyone" }; const handler3 = { get: function (target, prop, receiver) { if (prop === "message2") { return "world"; } return reflect.get(...arguments); }, }; const proxy3 = new proxy(target, handler3); console.log(proxy3.message1); // hello console.log(proxy3.message2); // world constructor proxy() creates a new proxy object.
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Classes and Inheritance - Archive of obsolete content
to illustrate this, let's define a simple constructor for a class shape: function shape(x, y) { this.x = x; this.y = y; } we can now use this constructor to create instances of shape: let shape = new shape(2, 3); shape instanceof shape; // => true shape.x; // => 2 shape.y; // => 3 the keyword new tells javascript that we are performing a constructor call.
... constructor calls differ from ordinary function calls in that javascript automatically creates a new object and binds it to the keyword this for the duration of the call.
...however, since the value of this is undefined for ordinary function calls, we need to add some boilerplate code to convert them to constructor calls: function shape(x, y) { if (!this) return new shape(x, y); this.x = x; this.y = y; } prototypes every object has an implicit property, known as its prototype.
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ui/button/toggle - Archive of obsolete content
var button = togglebutton({ id: "my-button", label: "my button", icon: { "16": "./firefox-16.png", "32": "./firefox-32.png" }, onchange: function(state) { console.log(state.label + " checked state: " + state.checked); } }); by default, the button appears in the firefox toolbar: however, users can move it to the firefox menu panel: badged buttons new in firefox 36.
...el", but the button displayed when t4 is the active tab will show "my w2 label": browser: label = "my default" w1 t1 > displays "my default" t2 > displays "my default" w2 t3 > displays "my t3 label" t4 > displays "my w2 label" setting the properties on the button instance sets the button's global state: button.label = "my new label"; you can set state to be specific to a window or tab using the button's state() method.
... badge number or string new in firefox 36.
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ui/toolbar - Archive of obsolete content
/button/action'); var { toolbar } = require("sdk/ui/toolbar"); var { frame } = require("sdk/ui/frame"); var previous = actionbutton({ id: "previous", label: "previous", icon: "./icons/previous.png" }); var next = actionbutton({ id: "next", label: "next", icon: "./icons/next.png" }); var play = actionbutton({ id: "play", label: "play", icon: "./icons/play.png" }); var frame = new frame({ url: "./frame-player.html" }); var toolbar = toolbar({ title: "player", items: [previous, next, play, frame] }); the toolbar appears just above the content window: to destroy a toolbar call its destroy() method.
... hidden state persists even over create/destroy cycles: if a toolbar is created, then hidden, then destroyed, and another toolbar with the same title is then created, the new toolbar will be in the hidden state.
...this add-on creates a toolbar containing one button and a frame: var { actionbutton } = require('sdk/ui/button/action'); var { frame } = require("sdk/ui/frame"); var { toolbar } = require("sdk/ui/toolbar"); var button = actionbutton({ id: "my-button", label: "my-button", icon: "./my-button.png" }); var frame = new frame({ url: "./my-frame.html" }); var toolbar = toolbar({ title: "player", items: [button, frame] }); this add-on creates a toolbar with one frame, that's hidden initially, and that logs show and hide events: var { toolbar } = require("sdk/ui/toolbar"); var { frame } = require("sdk/ui/frame"); var frame = new frame({ url: "./frame.html" }); var toolbar = toolbar({ title: "my toolb...
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Enhanced Extension Installation - Archive of obsolete content
when a newer version fo an existing extension is installed, files for the newer version are copied into the folder used by the older version, and obsolete files are not cleaned up.
... when changes are made to the extensions datasource - new items are installed, old items uninstalled, enabled or disabled, a .autoreg file is written to the profile directory as well, which tells the startup code that the system has been modified, so that it destroys the component registries, finishes pending transactions and regenerates metadata appropriately.
...at this time a new extensions.ini file is written locating the extension so that the component manager, preferences system and chrome registry can locate additional files on the next start.
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Extension Versioning, Update and Compatibility - Archive of obsolete content
with compatibility updating it is not necessary to release a whole new version of the extension just to increase its maxversion.
...the information returned can be used to notify the user of an updated version to the add-on as well as inform the application of new application versions that the add-on is compatible with.
... note: starting in gecko 2.0, the automatic add-on update process properly supports cases in which the add-on's guid changes by uninstalling the old version and then installing the new one.
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Modifying a XUL Interface - Archive of obsolete content
creating new elements you can create new elements using the createelement() function of the document.
...for example, the following will add a button to a xul window: example 1 : source view <script> function addbutton(){ var abox = document.getelementbyid("abox"); var button = document.createelement("button"); button.setattribute("label","a new button"); abox.appendchild(button); } </script> <box id="abox" width="200"> <button label="add" oncommand="addbutton();"/> </box> this example has two parts a box container element in xul.
... the button element has two attributes "label" and "oncommand" a javascript function named "addbutton()" this script first gets a reference to the box with getelementbyid(), which is the container to add a new button to.
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Skinning XUL Files by Hand - Archive of obsolete content
but you may also want to define new classes of buttons particular to your xul file, in which case the style information will be wholly defined within your custom css file.
...if you create a style in your custom stylesheet for a button with a particular id, for example, some of the more basic style information for buttons in the global skin may take precedence over your new style and cause it not to be applied.
... style subgroups contextualsubgroups -- elements appearing within other elements, such as italicized text anywhere within a <p> element or a <div> -- can be grouped in css, but this is an extremely inefficient way to style xul, and is frowned upon in the mozilla development community (again, refer to the skinning guidelines in writing skinnable xul and css for more info); css2 also provides some new ways to group elements for styling, which we summarize briefly here, because they appear in mozilla with some frequency, but reserve for another article: pseudo-class parent-child element:pseudo-class { attribute: value; } parent > child { attribute: value; } button:hover { border: 1px; } menu#file > menuitem { font-weight: bold; } ...
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Anatomy of a video game - Game development
experienced game programmers who are new to web development could also benefit, too.
... present, accept, interpret, calculate, repeat the goal of every video game is to present the user(s) with a situation, accept their input, interpret those signals into actions, and calculate a new situation resulting from those acts.
...here is an example of a simple main loop: window.main = function () { window.requestanimationframe( main ); // whatever your main loop needs to do }; main(); // start the cycle note: in each of the main() methods discussed here, we schedule a new requestanimationframe before performing our loop contents.
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Bounding volume collision detection with THREE.js - Game development
var knot = new three.mesh( new three.torusknotgeometry(0.5, 0.1), new meshnormalmaterial({})); knot.geometry.computeboundingbox(); var knotbbox = new box3( knot.geometry.boundingbox.min, knot.geometry.boundingbox.max); note: the boundingbox property takes the geometry itself as reference, and not the mesh.
... var knot = new three.mesh( new three.torusknotgeometry(0.5, 0.1), new meshnormalmaterial({})); var knotbbox = new box3(new three.vector3(), new three.vector3()); knotbbox.setfromobject(knot); instantiating spheres instantiating sphere objects is similar.
... var knot = new three.mesh( new three.torusknotgeometry(0.5, 0.1), new meshnormalmaterial({})); var knotbsphere = new sphere( knot.position, knot.geometry.boundingsphere.radius); unfortunately, there is no equivalent of box3.setfromobject for sphere instances.
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Getting started with HTML - Learn web development
a block-level element appears on a new line following the content that precedes it.
... any content that follows a block-level element also appears on a new line.
...(not entire paragraphs or groupings of content) an inline element will not cause a new line to appear in the document.
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Making asynchronous programming easier with async and await - Learn web development
rewriting promise code with async/await let's look back at a simple fetch example that we saw in the previous article: fetch('coffee.jpg') .then(response => { if (!response.ok) { throw new error(`http error!
...body.appendchild(image); }) .catch(e => { console.log('there has been a problem with your fetch operation: ' + e.message); }); by now, you should have a reasonable understanding of promises and how they work, but let's convert this to use async/await to see how much simpler it makes things: async function myfetch() { let response = await fetch('coffee.jpg'); if (!response.ok) { throw new error(`http error!
... since an async keyword turns a function into a promise, you could refactor your code to use a hybrid approach of promises and await, bringing the second half of the function out into a new block to make it more flexible: async function myfetch() { let response = await fetch('coffee.jpg'); if (!response.ok) { throw new error(`http error!
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Silly story generator - Learn web development
starting point to get this assessment started, you should: go and grab the html file for the example, save a local copy of it as index.html in a new directory somewhere on your computer, and do the assessment locally to begin with.
... basic setup: create a new file called main.js, in the same directory as your index.html file.
... completing the result() function: create a new variable called newstory, and set its value to equal storytext.
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Componentizing our React app - Learn web development
make a <todo /> before we can make a component, we should create a new file for it.
... mkdir src/components touch src/components/todo.js our new todo.js file is currently empty!
... give each <todo /> call in app.js a new prop of completed.
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Displaying Places information using views
getservice(ci.nsinavhistoryservice); var query = histserv.getnewquery(); query.searchterms = "mozilla"; query.onlybookmarked = true; var opts = histserv.getnewqueryoptions(); opts.querytype = opts.query_type_bookmarks; var uri = histserv.queriestoquerystring([query], 1, opts); var tree = document.getelementbyid("mytree"); tree.place = uri; these two examples use the built-in tree view, but the point is to demonstrate the use of the place attribute and prope...
... when a view's underlying data changes, the view will automatically update itself so that it displays the new data.
... applyfilter() loads a new empty query with particular search terms and folders.
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Frame script loading and lifetime
on, use a "chrome.manifest" file to register a chrome url: // chrome.manifest content my-e10s-extension chrome/content/ // chrome script mm.loadframescript("chrome://my-e10s-extension/content/content.js", true); allowdelayedload if the message manager is a global frame message manager or a window message manager then: if allowdelayedload is true, the frame script will be loaded into any new frame, which has opened after the loadframescript() call.
... for example: var mm = window.messagemanager; mm.loadframescript("chrome://my-e10s-extension/content/frame-script.js", true); the script will be loaded into all tabs currently open in this window, and all new tabs opened afterwards.
... if you use allowdelayedload, you can cancel it by using removedelayedframescript: var mm = window.messagemanager; mm.removedelayedframescript("chrome://my-e10s-extension/content/frame-script.js"); this means we will stop loading the script into new tabs.
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Browser API
api extensions: the api includes several new methods and events to manipulate and listen for changes to the embedded content's state, interited by the htmliframeelement interface.
... browser api interfaces to support the requirement of a browser <iframe>, the htmliframeelement dom interface has been extended with new methods that give the <iframe> some super powers.
... event-related methods in order to manage the browser <iframe>'s content, many new events were added (see below).
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Overview of Mozilla embedding APIs
the component manager allows new instances of registered xpcom components to be instantiated.
...they provide some basic functionality which should be leveraged when building new xpcom components.
... do_createinstance this function simplifies creating new component instances.
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Downloads.jsm
the downloads.jsm javascript code module provides a single entry point to interact with the downloading capabilities of the platform, including starting new downloads, controlling ongoing downloads, and retrieving download-related configuration.
...example (using task.jsm): try { yield downloads.fetch(sourceuri, targetfile); } catch (ex if ex instanceof downloads.error && ex.becausetargetfailed) { console.log("unable to write to the target file, ignoring the error."); } methods createdownload() creates a new download object.
... promise<download> createdownload( object aproperties ); parameters aproperties provides the initial properties for the newly created download.
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NSS_3.12.3_release_notes.html
nss 3.12.3 release notes 2009-04-01 newsgroup: mozilla.dev.tech.crypto contents introduction distribution information new in nss 3.12.3 bugs fixed documentation compatibility feedback introduction network security services (nss) 3.12.3 is a patch release for nss 3.12.
... new in nss 3.12.3 changes in behavior: in the development of nss 3.12.3, it became necessary to change some old library behaviors due to the discovery of certain vulnerabilities in the old behaviors, and to correct some errors that had limited nss's ability to interoperate with cryptographic hardware and software from other sources.
... most of these changes should cause no problems for nss users, but in some cases, some customers' software, hardware and/or certificates may be dependent on the old behaviors, and may have difficulty with the new behaviors.
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Rhino serialization
simple serialization example the rhino shell has two new top-level functions, serialize and deserialize.
... they're intended mainly as examples of the use of serialization: $ java org.mozilla.javascript.tools.shell.main js> function f() { return 3; } js> serialize(f, "f.ser") js> quit() $ java org.mozilla.javascript.tools.shell.main js> f = deserialize("f.ser") function f() { return 3;} js> f() 3 js> here we see a simple case of a function being serialized to a file and then read into a new instance of rhino and called.
... rhino serialization apis two new classes, scriptableoutputstream and scriptableinputstream, were introduced to handle serialization of rhino classes.
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SpiderMonkey 38
it also contains new language and api features described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
... xxx will need updating for actual new gc stuff at time!
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Creating the Component Code
several new options have been added to regxpcom in versions 1.4 and later.
...this is the object that contains the business logic, that implements functionality such as starting a network download, implementing interfaces that listen to the download progress, or providing a new content type handler.
...in order to make the weblock component work in mozilla, you have to implement a new interface to the weblock component, iweblock, where the actual work specific to the the web locking features happens.
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nsIFaviconService
you should use the new async api moziasyncfavicons.getfavicondataforpage() instead.
...you should use the new async api moziasyncfavicons.getfavicondataforpage() instead.
...you should use the new async api moziasyncfavicons.getfaviconurlforpage() instead.
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nsIProtocolHandler
if you wish to create a new protocol handler, you need to implement this interface.
... inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview boolean allowport(in long port, in string scheme); nsichannel newchannel(in nsiuri auri); nsiuri newuri(in autf8string aspec, in string aorigincharset, in nsiuri abaseuri); attributes attribute type description defaultport long the default port is the port the protocol uses by default.
...nsiioservice.newchannelfromuri() will feed uris from this protocol handler to the http protocol handler instead.
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nsMsgFolderFlagType
defined in comm-central/ mailnews/ base/ public/ nsmsgfolderflags.idl typedef unsigned long nsmsgfolderflagtype; /// flags about a folder or a newsgroup.
... * @{ */ /// this folder is a newsgroup folder.
... const nsmsgfolderflagtype newsgroup = 0x00000001; /// this folder is a news server.
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Cached compose window FAQ
instead of destroying the mail compose window on send (or close) just to create a new one the next time, mozilla mail will "cache" the compose window on send (or close), and use that instead.
... any new window performance problems that mozilla has are especially painful in mail compose, as we need to create a new compose window on every new mail message or reply.
... if the user has this usage pattern, we wouldn't have to create a new window.
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Declaring types
you can define values of these types without declaring new types.
... for example, to define a new 32-bit integer variable with the value 5: var i = ctypes.int32_t(5); you can then pass a pointer to this value to a c function that requires a pointer to a 32-bit integer, like this: some_c_function(i.address()); declaring new primitive types there are times when you want to create new types that are simply new names for existing primitive types.
... { fieldn: typen } ] example for example, to support the c tm structure using js-ctypes, you would use the following code: const struct_tm = new ctypes.structtype("tm", [ { "tm_sec": ctypes.int }, { "tm_min": ctypes.int }, { "tm_hour": ctypes.int }, { "tm_mday": ctypes.int }, { "tm_mon": ctypes.int }, { "tm_year": ctypes.int }, { "tm_wday": ctypes.int }, ...
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Scripting plugins - Plugins
« previousnext » xxx: dummy p element this document describes the new cross-browser npapi extensions, commonly called npruntime, that have been developed by a group of browser and plugin vendors, including the mozilla foundation, adobe, apple, opera, and sun microsystems (see press release).
... this document also explains how to make a plugin use these new extensions to be scriptable as well as how to access objects in a browser.
...this extension will also let plugins access the script objects in the browser, and is thus a much stronger and more flexible api.) the information in this section applies to firefox 1.0 and mozilla 1.7.5 and newer versions.
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Drawing shapes with canvas - Web APIs
here are the functions used to perform these steps: beginpath() creates a new path.
...every time this method is called, the list is reset and we can start drawing new shapes.
... note: when the current path is empty, such as immediately after calling beginpath(), or on a newly created canvas, the first path construction command is always treated as a moveto(), regardless of what it actually is.
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Using images - Web APIs
creating an image from scratch another option is to create new htmlimageelement objects in our script.
... to do this, you can use the convenient image() constructor: var img = new image(); // create new img element img.src = 'myimage.png'; // set source path when this script gets executed, the image starts loading.
...so you need to be sure to use the load event so you don't try this before the image has loaded: var img = new image(); // create new img element img.addeventlistener('load', function() { // execute drawimage statements here }, false); img.src = 'myimage.png'; // set source path if you're only using one external image this can be a good approach, but once you need to track more than one we need to resort to something more clever.
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DOMImplementation.createHTMLDocument() - Web APIs
the domimplementation.createhtmldocument() method creates a new html document.
... syntax const newdoc = document.implementation.createhtmldocument(title) parameters title optional (except in ie) a domstring containing the title to give the new html document.
... example this example creates a new html document and inserts it into an <iframe> in the current document.
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Traversing an HTML table with JavaScript and DOM Interfaces - Web APIs
inserting elements with appendchild(..) so, by calling myp.appendchild(node_element), you are making the element a new child of the second <p> element.
...the second node is a new node of type text_node, and it is the second child of the second <p> tag.
... creating new elements with the document object and the createelement(..) method you can create new html elements or any other element you want with createelement.
...And 7 more matches

History.pushState() - Web APIs
syntax history.pushstate(state, title[, url]) parameters state the state object is a javascript object which is associated with the new history entry created by pushstate().
... whenever the user navigates to the new state, a popstate event is fired, and the state property of the event contains a copy of the history entry's state object.
... url optional the new history entry's url is given by this parameter.
...And 7 more matches

SVGLengthList - Web APIs
note: starting in gecko 5.0,the svglengthlist dom interface is now indexable and can be accessed like arrays interface overview also implement none methods void clear() svglength initialize(in svglength newitem) svglength getitem(in unsigned long index) svglength insertitembefore(in svglength newitem, in unsigned long index) svglength replaceitem(in svglength newitem, in unsigned long index) svglength removeitem(in unsigned long index) svglength appenditem(in svglength newitem) properties readonly unsigned long numberofitems readonly unsigned long...
... initialize(in svglength newitem) svglength clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.
... insertitembefore(in svglength newitem, in unsigned long index) svglength inserts a new item into the list at the specified position.
...And 7 more matches

SVGNumberList - Web APIs
interface overview also implement none methods void clear() svgnumber initialize(in svgnumber newitem) svgnumber getitem(in unsigned long index) svgnumber insertitembefore(in svgnumber newitem, in unsigned long index) svgnumber replaceitem(in svgnumber newitem, in unsigned long index) svgnumber removeitem(in unsigned long index) svgnumber appenditem(in svgnumber newitem) properties readonly unsigned long numberofitems readonly unsi...
... initialize(in svgnumber newitem) svgnumber clears all existing current items from the list and re-initializes the list to hold the single item specified by newitem.
... insertitembefore(in svgnumber newitem, in unsigned long index) svgnumber inserts a new item into the list at the specified position.
...And 7 more matches

SVGPathSegList - Web APIs
interface overview also implement none methods void clear() svgpathseg initialize(in svgpathseg newitem) svgpathseg getitem(in unsigned long index) svgpathseg insertitembefore(in svgpathseg newitem, in unsigned long index) svgpathseg replaceitem(in svgpathseg newitem, in unsigned long index) svgpathseg removeitem(in unsigned long index) svgpathseg appenditem(in svgpathseg newitem) properties readonly unsigned long num...
... initialize(in svgpathseg newitem) svgpathseg clears all existing current items from the list and re-initializes the list to hold the single item specified by newitem.
... insertitembefore(in svgpathseg newitem, in unsigned long index) svgpathseg inserts a new item into the list at the specified position.
...And 7 more matches

SVGPointList - Web APIs
interface overview also implement none methods void clear() svgpoint initialize(in svgpoint newitem) svgpoint getitem(in unsigned long index) svgpoint insertitembefore(in svgpoint newitem, in unsigned long index) svgpoint replaceitem(in svgpoint newitem, in unsigned long index) svgpoint removeitem(in unsigned long index) svgpoint appenditem(in svgpoint newitem) properties ...
... initialize(in svgpoint newitem) svgpoint clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.
... insertitembefore(in svgpoint newitem, in unsigned long index) svgpoint inserts a new item into the list at the specified position.
...And 7 more matches

SVGStringList - Web APIs
interface overview also implement none methods void clear() domstring initialize(in domstring newitem) domstring getitem(in unsigned long index) domstring insertitembefore(in domstring newitem, in unsigned long index) domstring replaceitem(in domstring newitem, in unsigned long index) domstring removeitem(in unsigned long index) domstring appenditem(in domstring newitem) properties readonly unsigned long numberofitems readonly unsigned long length ...
... initialize(in domstring newitem) domstring clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.
... insertitembefore(in domstring newitem, in unsigned long index) domstring inserts a new item into the list at the specified position.
...And 7 more matches

Using server-sent events - Web APIs
receiving events from the server the server-sent event api is contained in the eventsource interface; to open a connection to the server to begin receiving events from it, create a new eventsource object with the url of a script that generates the events.
... for example: const evtsource = new eventsource("ssedemo.php"); if the event generator script is hosted on a different origin, a new eventsource object should be created with both the url and an options dictionary.
... for example, assuming the client script is on example.com: const evtsource = new eventsource("//api.example.com/ssedemo.php", { withcredentials: true } ); once you've instantiated your event source, you can begin listening for messages from the server by attaching a handler for the message event: evtsource.onmessage = function(event) { const newelement = document.createelement("li"); const eventlist = document.getelementbyid("list"); newelement.innerhtml = "message: " + event.data; eventlist.appendchild(newelement); } this code listens for incoming messages (that is, notices from the server that do not have an event field on them) and appends the message text to a list in the document's html.
...And 7 more matches

SubtleCrypto.wrapKey() - Web APIs
*/ function getkeymaterial() { const password = window.prompt("enter your password"); const enc = new textencoder(); return window.crypto.subtle.importkey( "raw", enc.encode(password), {name: "pbkdf2"}, false, ["derivebits", "derivekey"] ); } /* given some key material and some random salt derive an aes-kw key using pbkdf2.
...*/ async function wrapcryptokey(keytowrap) { // get the key encryption key const keymaterial = await getkeymaterial(); salt = window.crypto.getrandomvalues(new uint8array(16)); const wrappingkey = await getkey(keymaterial, salt); return window.crypto.subtle.wrapkey( "raw", keytowrap, wrappingkey, "aes-kw" ); } /* generate an encrypt/decrypt secret key, then wrap it.
...*/ function getkeymaterial() { const password = window.prompt("enter your password"); const enc = new textencoder(); return window.crypto.subtle.importkey( "raw", enc.encode(password), {name: "pbkdf2"}, false, ["derivebits", "derivekey"] ); } /* given some key material and some random salt derive an aes-gcm key using pbkdf2.
...And 7 more matches

Using DTMF with WebRTC - Web APIs
function connectanddial() { callerpc = new rtcpeerconnection(); hasaddtrack = (callerpc.addtrack !== undefined); callerpc.onicecandidate = handlecallericeevent; callerpc.onnegotiationneeded = handlecallernegotiationneeded; callerpc.oniceconnectionstatechange = handlecallericeconnectionstatechange; callerpc.onsignalingstatechange = handlecallersignalingstatechangeevent; callerpc.onicegatheringstatechange = handlecallergatheri...
...ngstatechangeevent; receiverpc = new rtcpeerconnection(); receiverpc.onicecandidate = handlereceivericeevent; if (hasaddtrack) { receiverpc.ontrack = handlereceivertrackevent; } else { receiverpc.onaddstream = handlereceiveraddstreamevent; } navigator.mediadevices.getusermedia(mediaconstraints) .then(gotstream) .catch(err => log(err.message)); } after creating the rtcpeerconnection for the caller (callerpc), we look to see if it has an addtrack() method.
...this variable will let the example operate even on browsers not yet implementing the newer addtrack() method; we'll do so by falling back to the older addstream() method.
...And 7 more matches

Privileged features - Web APIs
if minimizable is on, the new dialog window will have a minimize system command icon in the titlebar and it will be minimizable.
... dependent if on, the new window is said to be dependent of its parent window.
... modal if on, the new window is said to be modal.
...And 7 more matches

Setting up adaptive streaming media sources - Developer guides
the good news is that once we have encoded our media in the appropriate format we are pretty good to go.
... once encoded your file structure may look something like this: play list -> /segments/news.mp4.mpd main segment folder -> /segments/main/ 100 kbps segment folder -> /segments/main/news100 contains (1.m4s, 2.m4s, 3.m4s ...
... ) 200 kbps segment folder -> /segments/main/news200 contains (1.m4s, 2.m4s, 3.m4s ...
...And 7 more matches

Text formatting - JavaScript
'\u00a9' // "©" unicode code point escapes new in ecmascript 2015.
... const foo = new string('foo'); // creates a string object console.log(foo); // displays: [string: 'foo'] typeof foo; // returns 'object' you can call any of the methods of the string object on a string literal value—javascript automatically converts the string literal to a temporary string object, calls the method, then discards the temporary string object.
...for example: const firststring = '2 + 2'; // creates a string literal value const secondstring = new string('2 + 2'); // creates a string object eval(firststring); // returns the number 4 eval(secondstring); // returns the string "2 + 2" a string object has one property, length, that indicates the number of utf-16 code units in the string.
...And 7 more matches

Classes - JavaScript
you first need to declare your class and then access it, otherwise code like the following will throw a referenceerror: const p = new rectangle(); // referenceerror class rectangle {} class expressions a class expression is another way to define a class.
... class rectangle { constructor(height, width) { this.height = height; this.width = width; } // getter get area() { return this.calcarea(); } // method calcarea() { return this.height * this.width; } } const square = new rectangle(10, 10); console.log(square.area); // 100 static methods the static keyword defines a static method for a class.
... class point { constructor(x, y) { this.x = x; this.y = y; } static distance(a, b) { const dx = a.x - b.x; const dy = a.y - b.y; return math.hypot(dx, dy); } } const p1 = new point(5, 5); const p2 = new point(10, 10); p1.distance; //undefined p2.distance; //undefined console.log(point.distance(p1, p2)); // 7.0710678118654755 binding this with prototype and static methods when a static or prototype method is called without a value for this, such as by assigning a variable to the method and then calling it, the this value will be undefined inside the method.
...And 7 more matches

Set - JavaScript
constructor set() creates a new set object.
... iteration methods set.prototype[@@iterator]() returns a new iterator object that yields the values for each element in the set object in insertion order.
... set.prototype.keys() returns a new iterator object that yields the values for each element in the set object in insertion order.
...And 7 more matches

ui/button/action - Archive of obsolete content
: "my-button", label: "my button", icon: { "16": "./firefox-16.png", "32": "./firefox-32.png" }, onclick: function(state) { console.log("button '" + state.label + "' was clicked"); } }); by default, the button appears in the firefox toolbar: however, users can move it to the firefox menu panel using the toolbar customization feature: badged buttons new in firefox 36.
... badge number or string new in firefox 36.
... badgecolor css <color> value new in firefox 36.
...And 6 more matches

Updating addons broken by private browsing changes - Archive of obsolete content
more, if your code uses any of these common chrome apis: ff 19: saveurl saveinternal openlinkin ff 20: openbrowserwindow gprivatebrowsingui finally, if your code watches for any of these observer notifications: private-browsing private-browsing-cancel-vote private-browsing-change-granted private-browsing-transition-complete then your addon will require updating to correctly support the new per-window private browser feature in firefox 20 (and will require updating to work correctly in releases of firefox since the ones listed).
... idls nsitransferable: see using the clipboard for information about the new init method.
... nsiwebbrowserpersist: saveuri gained a new argument; see the nsiwebbrowserpersist docs for more information.
...And 6 more matches

Code snippets - Archive of obsolete content
mainwindow.gbrowser.addtab(url); } } partially corrupt a server components.utils.import("resource://services-sync/main.js"); components.utils.import("resource://services-sync/resource.js"); function deletepath(path) { let resource = new resource(weave.service.storageurl + path); resource.setheader("x-confirm-delete", "1"); return resource.delete(); } // delete meta/global: deletepath("meta/global"); // delete keys: deletepath("crypto/keys"); // delete server: deletepath(""); corrupt a single engine on the server let engine = "bookmarks"; components.utils.import("resource://services-sync/main.js"); components.utils.import...
...("resource://services-sync/resource.js"); components.utils.import("resource://services-sync/util.js"); let r = new resource(weave.service.storageurl + "meta/global"); let g = r.get(); let envelope = json.parse(g); let payload = json.parse(envelope.payload); payload.engines[engine].syncid = weave.utils.makeguid(); // or any other guid you like.
...envelope.payload = json.stringify(payload); r.put(json.stringify(envelope)); generate new keys // clients always wipe the server when they generate new keys.
...And 6 more matches

Mozilla Application Framework in Detail - Archive of obsolete content
as personal connectivity expands from the desktop computer to new web-enabled products and devices, gecko is a browser engine that has been designed from the ground up to power a new generation of desktop browsers and browsing devices and to accelerate the growth and development of the next-generation internet.
...by meeting the needs of developers and companies who are working to provide consumers with new interactive applications, solutions and services, gecko will become a key catalyst for new growth and innovation and for delivering anytime, anywhere access to millions of new users.
...open source and freely available, gecko is small in size and modular and achieves rendering speed superior to all other browser engines - which makes it perfect for embedding into both desktop applications such as browsers and new devices such as browsing appliances and set top boxes.
...And 6 more matches

tabs - Archive of obsolete content
attributes closebutton, disableclose, disabled, onclosetab, onnewtab, onselect, setfocus, selectedindex, tabbox, tabindex, tooltiptextnew, value, properties accessibletype, disabled, itemcount, selectedindex, selecteditem, tabindex, value, methods advanceselectedtab, appenditem, getindexofitem, getitematindex, insertitemat, removeitemat examples (example needed) attributes closebutton obsolete since gecko 1.9.2 type: boolean ...
... if this attribute is set to true, the tabs row will have a "new tab" button and "close" button on the ends.
...you can set an image to the "new tab" and "close" buttons by applying them to the tabs-newbutton and tabs-closebutton classes respectively.
...And 6 more matches

Archive of obsolete content
material in this archived content zone should not be used for building new web sites or apps for modern browsers.
... an interview with douglas bowman of wired news one of the web's oldest news sites, wired news draws between 20 and 25 million page views every month.
... on october 11, 2002, wired launched a brand-new site design that uses validating xhtml for its structure and a small collection of css files for its layout.
...And 6 more matches

Implementing controls using the Gamepad API - Game development
the first one is fired when the browser detects the connection of a new gamepad while the second one is fired when a gamepad is disconnected (either physically by the user or due to inactivity.) in the demo, the gamepadapi object is used to store everything related to the api: var gamepadapi = { controller: {}, turbo: false, connect: function() {}, disconnect: function() {}, update: function() {}, buttonpressed: function() {}, buttons: [], buttonscac...
... buttonpressed: function(button, hold) { var newpress = false; // loop through pressed buttons for(var i=0,s=gamepadapi.buttonsstatus.length; i<s; i++) { // if we found the button we're looking for...
... if(gamepadapi.buttonsstatus[i] == button) { // set the boolean variable to true newpress = true; // if we want to check the single press if(!hold) { // loop through the cached states from the previous frame for(var j=0,p=gamepadapi.buttonscache.length; j<p; j++) { // if the button was already pressed, ignore new press if(gamepadapi.buttonscache[j] == button) { newpress = false; } } } } } return newpress; }, there are two types of action to consider for a button: a single press and a hold.
...And 6 more matches

Sending forms through JavaScript - Learn web development
a form is not always a form with progressive web apps, single page apps, and framework based apps, it's common to use html forms to send data without loading a new document when response data is received.
... let's look at an example: <button>click me!</button> and now the javascript: const btn = document.queryselector('button'); function senddata( data ) { console.log( 'sending data' ); const xhr = new xmlhttprequest(); let urlencodeddata = "", urlencodeddatapairs = [], name; // turn the data object into an array of url-encoded key/value pairs.
...fortunately, the xmlhttprequest specification provides a newer, simpler way to handle form data requests with the formdata object.
...And 6 more matches

Fetching data from the server - Learn web development
previous overview: client-side web apis next another very common task in modern websites and applications is retrieving individual data items from the server to update sections of a webpage without having to load an entire new page.
... the trouble with this model is that whenever you want to update any part of the page, for example, to display a new set of products or load a new page, you've got to load the entire page again.
... now search for something, like a new product.
...And 6 more matches

Arrays - Learn web development
enter the following into your console: shopping[0]; // returns "bread" you can also modify an item in an array by simply giving a single array item a new value.
... some useful array methods in this section we'll look at some rather useful array-related methods that allow us to split strings into array items and vice versa, and add new items into arrays.
...first, create a string in your console: let mydata = 'manchester,london,liverpool,birmingham,leeds,carlisle'; now let's split it at each comma: let myarray = mydata.split(','); myarray; finally, try finding the length of your new array, and retrieving some items from it: myarray.length; myarray[0]; // the first item in the array myarray[1]; // the second item in the array myarray[myarray.length-1]; // the last item in the array you can also go the opposite way using the join() method.
...And 6 more matches

Ember app structure and componentization - Learn web development
planning out the layout of the todomvc app in the last article we set up a new ember project, then added and configured our css styles.
...to start with, delete the contents of application.hbs and replace them with the following: <section class="todoapp"> <h1>todos</h1> <input class="new-todo" aria-label="what needs to be done?" placeholder="what needs to be done?" autofocus > </section> note: aria-label provides a label for assistive technology to make use of — for example, for a screenreader to read out.
...update the application.hbs file again so its content looks like this: <section class="todoapp"> <h1>todos</h1> <input class="new-todo" aria-label="what needs to be done?" placeholder="what needs to be done?" autofocus > <section class="main"> <input id="mark-all-complete" class="toggle-all" type="checkbox"> <label for="mark-all-complete">mark all as complete</label> <ul class="todo-list"> <li> <div class="view"> <input aria-label="toggle the completion of th...
...And 6 more matches

Handling common HTML and CSS problems - Learn web development
in general, most core html and css functionality (such as basic html elements, css basic colors and text styling) works across most browsers you'll want to support; more problems are uncovered when you start wanting to use newer features such as flexbox, or html5 video/audio, or even more nascent, css grids or -webkit-background-clip: text.
...you can still refer to them by their names, and style them with css, for example — you just need to make sure they are behaving as you want them to, for example setting display: block; on all of the new semantic elements (such as <article>, <aside>, etc.), but only in old versions of ie that don't recognise them (so, ie 8 and lower).
... this way new browsers can just use the code as normal, but older ie versions will be able to style these elements too.
...And 6 more matches

Strategies for carrying out testing - Learn web development
there is no way you can test on every combination of browser and device your users might use to view your site — there are just too many, and new ones appear all the time.
...of course, this relies on you already having a site to use it on, so it isn't much good for completely new sites.
... but an analytics history can be useful for finding support stats to influence say a new version of a company's site, or new features you are adding to an existing site.
...And 6 more matches

Command line crash course - Learn web development
objective: to understand what the terminal/command line is, what basic commands you should learn, and how to install new command line tools.
... have a play with them in a test directory you’ve created somewhere so that you don’t accidentally delete anything important, using the example commands below for guidance: mkdir — this creates a new directory inside the current directory you are in, with the name you provide after the command name.
... for example, mkdir my-awesome-website will make a new directory called my-awesome-website.
...And 6 more matches

IME handling guide
mranges representing dom event ecompositionstart selected string before starting composition textcomposition nullptr compositionstart ecompositionupdate new composition string textcomposition nullptr compositionupdate ecompositionend commit string textcomposition nullptr compositionend ecompositionchange new composition string widget (or textcomposition) must not be nullptr text ecompositioncommitasis n/a (must be empty) nobody nullptr none ecompositioncommit commit s...
... when this receives ecompositionchange or ecompositioncommit, this checks if new composition string (or committing string) is different from the last data stored by the textcomposition.
... when this notifies something of widget and/or ime, it needs to be safe to run script because notifying something may cause dispatching one or more dom events and/or new reflow.
...And 6 more matches

AddonManager
update_when_new_app_detected an update check performed when a new version of the application has been detected.
... update_when_new_app_installed an update check performed after a new version of the application has been installed.
... update_when_addon_installed an update check performed when a new add-on has been installed.
...And 6 more matches

AsyncTestUtils extended framework
the asynctestutils extended framework is one mechanism for testing the mailnews component of thunderbird.
... see mailnews automated testing for a description of the other testing mechanisms.
... boilerplate add the following code to the top of your test file to import everything you need: load("../../mailnews/resources/loghelper.js"); load("../../mailnews/resources/asynctestutils.js"); load("../../mailnews/resources/messagegenerator.js"); load("../../mailnews/resources/messagemodifier.js"); load("../../mailnews/resources/messageinjection.js"); if the directory where you are adding the tests does not have a head_*.js file that has the two following lines, add them at the top of your test file (before the lines shown above): load("../../mailnews/resources/maildirservice.js"); load("../../mailnews/resources/mailtestutils.js"); at the bottom of the test file, add the following: var tests =[ // list your tests here ]; function run_test() { configure_message_injection(...
...And 6 more matches

NSS 3.12.5 release_notes
nss 3.12.5 release notes 2009-12-02 newsgroup: mozilla.dev.tech.crypto introduction network security services (nss) 3.12.5 is a patch release for nss 3.12.
... new in nss 3.12.5 ssl3 & tls renegotiation vulnerability see cve-2009-3555 and us-cert vu#120541 for more information about this security vulnerability.
...this will cause programs that attempt to perform renegotiation to experience failures where they formerly experienced successes, and is necessary for them to not be vulnerable, until such time as a new safe renegotiation scheme is standardized by the ietf.
...And 6 more matches

PKCS11 FAQ
multipart functions, such as bulk encryption, hashing, and mac functions (for example, c_digest and c_sign) and those that require overlapped operation (c_unwrap, c_decrypt) are handled by creating new sessions.
... if no new sessions are available, the one read-only session is used, and the state is saved and restored after each multipart operation.
... nss opens new read/write sessions for key generation, some password management, and storage of new certificates.
...And 6 more matches

sslerr.html
essage." ssl_error_rx_malformed_cert_verify -12254 "ssl received a malformed certificate verify handshake message." ssl_error_rx_malformed_client_key_exch -12253 "ssl received a malformed client key exchange handshake message." ssl_error_rx_malformed_finished -12252 "ssl received a malformed finished handshake message." ssl_error_rx_malformed_new_session_ticket -12178 "ssl received a malformed new session ticket handshake message." received a malformed (too long or short) ssl record: all the error codes in the following block indicate that the local socket received an improperly formatted ssl3 record from the remote peer.
... ssl_error_rx_unexpected_cert_verify -12240 "ssl received an unexpected certificate verify handshake message." ssl_error_rx_unexpected_client_key_exch -12239 "ssl received an unexpected client key exchange handshake message." ssl_error_rx_unexpected_finished -12238 "ssl received an unexpected finished handshake message." ssl_error_rx_unexpected_new_session_ticket -12179 "ssl received an unexpected new session ticket handshake message." received an ssl record that was inappropriate for the current state: all the error codes in the following block indicate that the local socket received an ssl3 record from the remote peer at a time when it was inappropriate for the peer to have sent this message.
... sec_error_retry_password -8176 new password entered incorrectly.
...And 6 more matches

NSS Tools modutil
using the security module database (modutil) newsgroup: mozilla.dev.tech.crypto the security module database tool is a command-line utility for managing pkcs #11 module information within secmod.db files or within hardware tokens.
...the options and arguments for the modutil command are defined as follows: options -create create new secmod.db, key3.db, and cert8.db files.
... -jar jar-file add a new pkcs #11 module to the database using the named jar file.
...And 6 more matches

JS_DefineFunction
added in spidermonkey 17 call jsnative the native c/c++ function to be wrapped by the new function.
... description js_definefunction exposes a c/c++ function to scripts by defining a new method on an existing javascript object.
... it creates the new function object as though by calling js_newfunction, then makes it a method of obj as though by calling js_defineproperty.
...And 6 more matches

SpiderMonkey 24
it continues to improve performance over previous spidermonkey releases, with a significantly improved garbage collector, a new jit compilation mode, and other features.
... it also contains new language and api features described in detail below.
... please let us know about your experiences with this release by posting in the mozilla.dev.tech.js-engine newsgroup.
...And 6 more matches

Using the Places livemark service
initiating the livemark service before using the livemark service, you need to obtain an instance: var livemarkservice = components.classes["@mozilla.org/browser/livemark-service;2"] .getservice(components.interfaces.nsilivemarkservice); creating a new livemark the nsilivemarkservice.createlivemark() method creates a new livemark.
... var newlvmkid = livemarkservice.createlivemark(parentfolderid, "livemark name", uri("http://example.com/"), uri("http://example.com/rss.xml"), -1); the first parameter is the id of the folder in which to create the livemark.
...the last argument takes in the index to insert at, or -1 to append the new livemark to the end of the folder.
...And 6 more matches

Setting up the Gecko SDK
the following four sections tell the developer how to download and organize the gecko sdk and create a new project in which components like weblock can be created.
...you may want to check for newer versions at gecko versions prior to 1.7: http://ftp.mozilla.org/pub/mozi...illa/releases/ gecko versions after 1.8: http://ftp.mozilla.org/pub/mozi...nner/releases/ once you download the sdk, you can expand it into any convenient location.
...if you choose some other location, remember to adjust the settings described here (e.g., in the building a microsoft visual cpp project section below) to point to this new location.
...And 6 more matches

imgIContainer
void frameupdated(in unsigned long framenum, in nsintrect anewrect); native code only!
... obsolete since gecko 2.0 kdisposenotspecified 0 leave frame, let new frame draw() on top.
... obsolete since gecko 2.0 kdisposekeep 1 leave frame, let new frame draw() on top.
...And 6 more matches

nsIBrowserSearchService
method overview void addengine(in astring engineurl, in long datatype, in astring iconurl, in boolean confirm, [optional] in nsisearchinstallcallback callback); void addenginewithdetails(in astring name, in astring iconurl, in astring alias, in astring description, in astring method, in astring url); void getdefaultengines([optional] out unsigned long enginecount, [retval, array, size_is(enginecount)] out nsisearchengine engines); nsisearchengine getenginebyalias(in astring alias); nsisearchengine getenginebyname(in astrin...
...nal] out unsigned long enginecount, [retval, array, size_is(enginecount)] out nsisearchengine engines); void getvisibleengines([optional] out unsigned long enginecount, [retval, array, size_is(enginecount)] out nsisearchengine engines); void init([optional] in nsibrowsersearchinitobserver observer); void moveengine(in nsisearchengine engine, in long newindex); void removeengine(in nsisearchengine engine); void restoredefaultengines(); attributes attribute type description currentengine nsisearchengine the currently active search engine.
... methods addengine() adds a new search engine from the file at the supplied uri, optionally asking the user for confirmation first.
...And 6 more matches

nsIHTMLEditor
returninparagraphcreatesnewparagraph boolean a boolean indicating if a return key pressed in a paragraph creates another paragraph or just inserts a <br> at the caret.
... boolean candrag( in nsidomevent aevent ); parameters aevent return value checkselectionstateforanonymousbuttons() checks if the anonymous nodes created by the html editor have to be refreshed or hidden depending on a possible new state of the selection.
... createelementwithdefaults() return a new element with default attribute values.
...And 6 more matches

nsIXPCScriptable
obj, in jsval id, in jsvalptr vp); prbool getproperty(in nsixpconnectwrappednative wrapper, in jscontextptr cx, in jsobjectptr obj, in jsval id, in jsvalptr vp); prbool setproperty(in nsixpconnectwrappednative wrapper, in jscontextptr cx, in jsobjectptr obj, in jsval id, in jsvalptr vp); prbool enumerate(in nsixpconnectwrappednative wrapper, in jscontextptr cx, in jsobjectptr obj); prbool newenumerate(in nsixpconnectwrappednative wrapper, in jscontextptr cx, in jsobjectptr obj, in pruint32 enum_op, in jsvalptr statep, out jsid idp); prbool newresolve(in nsixpconnectwrappednative wrapper, in jscontextptr cx, in jsobjectptr obj, in jsval id, in pruint32 flags, out jsobjectptr objp); prbool convert(in nsixpconnectwrappednative wrapper, in jscontextptr cx, in jsobjectptr obj, in pruin...
... constants constant value description want_precreate 1 << 0 want_create 1 << 1 want_postcreate 1 << 2 want_addproperty 1 << 3 want_delproperty 1 << 4 want_getproperty 1 << 5 want_setproperty 1 << 6 want_enumerate 1 << 7 want_newenumerate 1 << 8 indicates that the object wants to have its newenumerate method called.
... want_newresolve 1 << 9 indicates that the object wants to have its newresolve method called.
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Getting Started Guide
// given: |nsifoo* mfooptr;| /* |addref| the new value if it's not |null|; assign it in; and |release| the old value, if any (so we don't leak it).
...// given: |nscomptr<nsifoo> mfooptr;| /* this assignment automatically |release|s the old value in |mfooptr|, if any, and |addref|s the new one, in the appropriate sequence to avoid the ownership bug mentioned earlier.
... nscomptrs for non-interface classes appropriately formatted answer to come, in the meanwhile, the full details are available in this news posting (via google groups).
...And 6 more matches

XUL Overlays
when plug-ins, browser extensions, or other applications provide new ui elements to the browser, these elements should be defined in overlay files.
... the installation of a media plug-in, for example, may add new icons and menu items to the interface: in the navigatoroverlay.xul file or in a separate navigatorsspoverlay.xul file (where navigator.xul defines the basic ui for the navigator package), these new plug-in elements would be defined as a collection of elements or subtrees: <menuitem name="super stream player"/> <menupopup name="ss favorites"> <menuitem name="wave" src="mavericks.ssp"/> <menuitem name="soccer" src="brazil_soccer.ssp"/> </menupopup> <titledbutton id="ssp" crop="right" flex="1" value="&ssbutton.label;" onclick="firessp()"/> overlays and id attributes bases and overlays are merged when they share the same id attribute.
...<menu id="file-menu"> <menupopup id="menu_filepopup"> <menuitem name="new"/> <menuitem name="open"/> <menuitem name="save"/> <menuitem name="close"/> </menupopup> </menu> ...
...And 6 more matches

nsIMsgCloudFileProvider
nsimsgcloudfileprovider is the interface that must be implemented by new filelink providers.
...in string aaccountkey); void uploadfile(in nsilocalfile afile, in nsirequestobserver acallback); acstring urlforfile(in nsilocalfile afile); void cancelfileupload(in nsilocalfile afile); void refreshuserinfo(in boolean awithui, in nsirequestobserver acallback); void deletefile(in nsilocalfile afile, in nsirequestobserver acallback); void createnewaccount(in acstring aemailaddress, in acstring apassword, in acstring afirstname, in acstring alastname, in nsirequestobserver acallback); void createexistingaccount(in nsirequestobserver acallback); acstring providerurlforerror(in unsigned long aerror); attributes attribute type description type ...
... createnewaccount() creates a new user account for the storage provider represented by the nsimsgcloudfileprovider.
...And 6 more matches

Working with windows in chrome code
it contains tips and example code on opening new windows, finding an already opened window, and passing data between different windows.
... opening windows from a <script> in a window or an overlay to open a new window, we usually use a window.open or window.opendialog dom call, like this: var win = window.open("chrome://myextension/content/about.xul", "aboutmyextension", "chrome,centerscreen"); the first parameter to window.open is the uri of the xul file that describes the window and its contents.
...the former has been deprecated for a while, and you should use content in the new code.
...And 6 more matches

Mozilla
adding a new css property this page describes how to add a new css property to the style system.
... adding a new event this draft document covers how to add a new event to the mozilla (firefox) source code.
... adding a new word to the en-us dictionary occasionally bugs are filed pointing out situations where perfectly legitimate words are missing from the english spell check dictionary in firefox.
...And 6 more matches

Plug-in Basics - Plugins
-ins like these are now available: multimedia viewers such as adobe flash and adobe acrobat utilities that provide object embedding and compression/decompression services applications that range from personal information managers to games the range of possibilities for using plug-in technology seems boundless, as shown by the growing numbers of independent software vendors who are creating new and innovative plug-ins.
... with the plug-in api, you can create dynamically loaded plug-ins that can: register one or more mime types draw into a part of a browser window receive keyboard and mouse events obtain data from the network using urls post data to urls add hyperlinks or hotspots that link to new urls draw into sections on an html page communicate with javascript/dom from native code you can see which plug-ins are installed on your system and have been properly associated with the browser by consulting the installed plug-ins page.
... when the user opens a page that contains embedded data of a media type that invokes a plug-in, the browser responds with the following sequence of actions: check for a plug-in with a matching mime type load the plug-in code into memory initialize the plug-in create a new instance of the plug-in gecko can load multiple instances of the same plug-in on a single page, or in several open windows at the same time.
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Examine and edit HTML - Firefox Developer Tools
the menu contains the following items — click on the links to find the description of each command in the context menu reference: edit as html create new node duplicate node delete node attributes add attribute copy attribute value edit attribute remove attribute break on ...
...es show accessibility properties change pseudo-class hover active focus focus-within visited screenshot node scroll into view copy inner html outer html css selector css path xpath image data-url attribute paste inner html outer html before after as first child as last child expand all collapse all open link in new tab * open file in debugger * open file in style-editor * copy link address * * these options only appear in certain contexts, for example the "open file in style-editor" option only appears when you context-click over the top of a link to a css file.
... create new node create a new empty <div> as the last child of the currently selected element.
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FileSystemEntrySync - Web APIs
it also introduces a new url scheme: filesystem:.
... method overview metadata getmetadata () raises (fileexception); filesystementrysync moveto (in directoryentrysync parent, optional domstring newname) raises (fileexception); filesystementrysync copyto(in directoryentrysync parent, optional domstring newname) raises (fileexception); domstring tourl(); void remove() raises (fileexception); directoryentrysync getparent(); attributes attribute type description filesystem readonly filesystemsync the file system where...
...you can keep it in the same location and then define the newname parameter.
...And 6 more matches

HTMLTableElement.insertRow() - Web APIs
the htmltableelement.insertrow() method inserts a new row (<tr>) in a given <table>, and returns a reference to the new row.
... if a table has multiple <tbody> elements, by default, the new row is inserted into the last <tbody>.
...the row does not need to be appended separately as would be the case if document.createelement() had been used to create the new <tr> element.
...And 6 more matches

HTMLTableRowElement.insertCell() - Web APIs
the htmltablerowelement.insertcell() method inserts a new cell (<td>) into a table row (<tr>) and returns a reference to the cell.
...the cell does not need to be appended separately with node.appendchild() as would be the case if document.createelement() had been used to create the new <td> element.
... you can not use insertcell() to create a new <th> element though.
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In depth: Microtasks and the JavaScript runtime environment - Web APIs
there are three types of code that create a new execution context: the global context is the execution context created to run the main body of your code; that is, any code that exists outside of a javascript function.
...this is frequently referred to as a "local context." using the ill-advised eval() function also creates a new execution context.
...as one of these code segments begins execution, a new context is constructed in which to run it; that context is then destroyed when the code exits.
...And 6 more matches

Using the Notifications API - Web APIs
examples one of the most obvious use cases for web notifications is a web-based mail or irc application that needs to notify the user when a new message is received, even if the user is doing something else with another application.
...your task "' + title + '" is now overdue.'; var notification = new notification('to do list', { body: text, icon: img }); closing notifications used close() to remove a notification that is no longer relevant to the user (e.g.
... var n = new notification('my great song'); document.addeventlistener('visibilitychange', function() { if (document.visibilitystate === 'visible') { // the tab has become visible so clear the now-stale notification.
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Using readable streams - Web APIs
for example, our simple stream pump example goes on to enqueue each chunk in a new, custom readablestream (we will find more about this in the next section), then create a new response out of it, consume it as a blob, create an object url out of that blob using url.createobjecturl(), and then display it on screen in an <img> element, effectively creating a copy of the image we originally fetched.
... return new readablestream({ start(controller) { return pump(); function pump() { return reader.read().then(({ done, value }) => { // when no more data needs to be consumed, close the stream if (done) { controller.close(); return; } // enqueue the next data chunk into our target stream controller.enqueue(value); return pump(); }); } } }) }) .then(stream => new response(stream)) .then(response => response.blob()) .then(blob => url.createobjecturl(blob)) .then(url => console.log(image.src = url)) .catch(err => console.error(err)); let’s look in detail at how read() is used.
...if so, there are no more chunks to read (the value is undefined) so we return out of the function and close the custom stream with readablestreamdefaultcontroller.close(): if (done) { controller.close(); return; } note: close() is part of the new custom stream, not the original stream we are discussing here.
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WebGL model view projection - Web APIs
however, if a triangle straddles the border of this space then it is chopped up into new triangles, and only the parts of the new triangles that are in clip space are kept.
... var data = new float32array([ //triangle 1 settings.left, settings.bottom, settings.depth, settings.right, settings.bottom, settings.depth, settings.left, settings.top, settings.depth, //triangle 2 settings.left, settings.top, settings.depth, settings.right, settings.bottom, settings.depth, settings.right, settings.top, settings.depth ]); // use webgl to draw t...
... // performance note: creating a new array buffer for every draw call is slow.
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Synchronous and asynchronous requests - Web APIs
var xhr = new xmlhttprequest(); xhr.open("get", "/bar/foo.txt", true); xhr.onload = function (e) { if (xhr.readystate === 4) { if (xhr.status === 200) { console.log(xhr.responsetext); } else { console.error(xhr.statustext); } } }; xhr.onerror = function (e) { console.error(xhr.statustext); }; xhr.send(null); line 2 specifies true for its third parameter to indicate that the requ...
...*/) { var xhr = new xmlhttprequest(); xhr.callback = callback; xhr.arguments = array.prototype.slice.call(arguments, 2); xhr.onload = xhrsuccess; xhr.onerror = xhrerror; xhr.open("get", url, true); xhr.send(null); } usage: function showmessage(message) { console.log(message + this.responsetext); } loadfile("message.txt", showmessage, "new message!\n\n"); the signature of the utility...
...this is done by setting the value of the timeout property on the xmlhttprequest object, as shown in the code below: function loadfile(url, timeout, callback) { var args = array.prototype.slice.call(arguments, 3); var xhr = new xmlhttprequest(); xhr.ontimeout = function () { console.error("the request for " + url + " timed out."); }; xhr.onload = function() { if (xhr.readystate === 4) { if (xhr.status === 200) { callback.apply(xhr, args); } else { console.error(xhr.statustext); } } }; xhr.open("get", url, true...
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<a>: The Anchor element - HTML: Hypertext Markup Language
(default) _blank: usually a new tab, but users can configure browsers to open a new window instead.
... note: when using target, add rel="noreferrer noopener" to avoid exploitation of the window.opener api; note: in newer browser versions (e.g.
... linking to an email address to create links that open in the user's email program to let them send a new message, use the mailto: scheme: <a href="mailto:nowhere@mozilla.org">send email to nowhere</a> for details about mailto: urls, such as including a subject or body, see email links or rfc 6068.
...And 6 more matches

HTTP Index - HTTP
on top of these basic concepts, numerous extensions have appeared over the years, adding new functionality and new semantics by creating new http methods or headers.
...over the years, algorithms also got more efficient, and new ones are supported by clients and servers.
... 110 cookie2 http, obsolete, reference, header, request the obsolete cookie2 http request header used to advise the server that the user agent understands "new-style" cookies, but nowadays user agents will use the cookie header instead, not this one.
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Array.prototype.concat() - JavaScript
this method does not change the existing arrays, but instead returns a new array.
... syntax const new_array = old_array.concat([value1[, value2[, ...[, valuen]]]]) parameters valuen optional arrays and/or values to concatenate into a new array.
... return value a new array instance.
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BigInt64Array() constructor - JavaScript
the bigint64array() typed array constructor creates a new bigint64array object, which is, an array of 64-bit signed integers in the platform byte order.
... syntax new bigint64array(); new bigint64array(length); new bigint64array(typedarray); new bigint64array(object); new bigint64array(buffer [, byteoffset [, length]]); parameters length when called with a length argument, an internal array buffer is created in memory, of size length multiplied by bytes_per_element bytes, containing zeros.
... typedarray when called with a typedarray argument, which can be an object of any of the typed array types (such as int32array), the typedarray gets copied into a new typed array.
...And 6 more matches

BigUint64Array() constructor - JavaScript
the biguint64array() typed array constructor creates a new biguint64array object, which is, an array of 64-bit unsigned integers in the platform byte order.
... syntax new biguint64array(); new biguint64array(length); new biguint64array(typedarray); new biguint64array(object); new biguint64array(buffer [, byteoffset [, length]]); parameters length when called with a length argument, an internal array buffer is created in memory, of size length multiplied by bytes_per_element bytes, containing zeros.
... typedarray when called with a typedarray argument, which can be an object of any of the typed array types (such as int32array), the typedarray gets copied into a new typed array.
...And 6 more matches

Float32Array() constructor - JavaScript
the float32array() typed array constructor creates a new float32array object, which is, an array of 32-bit floating point numbers (corresponding to the c float data type) in the platform byte order.
... syntax new float32array(); // new in es2017 new float32array(length); new float32array(typedarray); new float32array(object); new float32array(buffer [, byteoffset [, length]]); parameters length when called with a length argument, an internal array buffer is created in memory, of size length multiplied by bytes_per_element bytes, containing zeros.
... typedarray when called with a typedarray argument, which can be an object of any of the typed array types (such as int32array), the typedarray gets copied into a new typed array.
...And 6 more matches

Float64Array() constructor - JavaScript
the float64array() typed array constructor creates a new float64array object, which is, an array of 64-bit floating point numbers (corresponding to the c double data type) in the platform byte order.
... syntax new float64array(); // new in es2017 new float64array(length); new float64array(typedarray); new float64array(object); new float64array(buffer [, byteoffset [, length]]); parameters length when called with a length argument, an internal array buffer is created in memory, of size length multiplied by bytes_per_element bytes, containing zeros.
... typedarray when called with a typedarray argument, which can be an object of any of the typed array types (such as int32array), the typedarray gets copied into a new typed array.
...And 6 more matches

Intl.DateTimeFormat - JavaScript
constructor intl.datetimeformat() creates a new datetimeformat object.
... intl.datetimeformat.prototype.resolvedoptions() returns a new object with properties reflecting the locale and formatting options computed during initialization of the object.
... var date = new date(date.utc(2012, 11, 20, 3, 0, 0)); // tolocalestring without arguments depends on the implementation, // the default locale, and the default time zone console.log(new intl.datetimeformat().format(date)); // → "12/19/2012" if run with en-us locale (language) and time zone america/los_angeles (utc-0800) using locales this example shows some of the variations in localized date and time for...
...And 6 more matches

Object.setPrototypeOf() - JavaScript
instead, create a new object with the desired [[prototype]] using object.create().
... prototype the object's new prototype (an object or null).
...otherwise, this method changes the [[prototype]] of obj to the new value.
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RegExp - JavaScript
the following three expressions create the same regular expression: /ab+c/i new regexp(/ab+c/, 'i') // literal notation new regexp('ab+c', 'i') // constructor the literal notation results in compilation of the regular expression when the expression is evaluated.
... the constructor of the regular expression object—for example, new regexp('ab+c')—results in runtime compilation of the regular expression.
... flags in constructor starting with ecmascript 6, new regexp(/ab+c/, 'i') no longer throws a typeerror ("can't supply flags when constructing one regexp from another") when the first argument is a regexp and the second flags argument is present.
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Uint16Array() constructor - JavaScript
syntax new uint16array(); // new in es2017 new uint16array(length); new uint16array(typedarray); new uint16array(object); new uint16array(buffer [, byteoffset [, length]]); parameters length when called with a length argument, an internal array buffer is created in memory, of size length multiplied by bytes_per_element bytes, containing zeros.
... typedarray when called with a typedarray argument, which can be an object of any of the typed array types (such as int32array), the typedarray gets copied into a new typed array.
... each value in typedarray is converted to the corresponding type of the constructor before being copied into the new array.
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this - JavaScript
all non-static methods within the class are added to the prototype of this: class example { constructor() { const proto = object.getprototypeof(this); console.log(object.getownpropertynames(proto)); } first(){} second(){} static third(){} } new example(); // ['constructor', 'first', 'second'] note: static methods are not properties of this.
...calling super() creates a this binding within the constructor and essentially has the effect of evaluating the following line of code, where base is the inherited class: this = new base(); warning: referring to this before calling super() will throw an error.
... class base {} class good extends base {} class alsogood extends base { constructor() { return {a: 5}; } } class bad extends base { constructor() {} } new good(); new alsogood(); new bad(); // referenceerror examples this in function contexts // an object can be passed as the first argument to call or apply and this will be bound to it.
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panel - Archive of obsolete content
usage this module exports a single constructor function panel() which constructs a new panel.
... if you want to close an existing panel without opening a new one, you can call the hide() or the destroy() method.
...var textarea = document.getelementbyid("edit-box"); textarea.addeventlistener('keyup', function onkeyup(event) { if (event.keycode == 13) { // remove the newline.
...And 5 more matches

windows - Archive of obsolete content
enumerate and examine open browser windows, open new windows, and listen for window events.
...with this module, you can: enumerate the currently opened browser windows open new browser windows listen for common window events such as open and close private windows if your add-on has not opted into private browsing, then you won't see any private browser windows.
... globals functions open(options) open a new window.
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ui/sidebar - Archive of obsolete content
if a new window is opened from a window that has a sidebar visible, the new window gets a sidebar, too.
... alternatively, the view->sidebar submenu in firefox will contain a new item which the user can use to show or hide the sidebar: the sidebar generates a show event when it is shown and a hide event when it is hidden.
... using attach the attach event is triggered whenever the dom for a new sidebar instance is loaded and its scripts are attached.
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Storing annotations - Archive of obsolete content
in this chapter we will cover three topics relating to persistent storage: using simple-storage to persist objects handling exhaustion of the storage quota allocated to you respecting private browsing storing new annotations in this section we are only touching the main.js file.
... first, import the simple-storage module with a declaration like: var simplestorage = require('sdk/simple-storage'); in the module scope, initialize an array which will contain the stored annotations: if (!simplestorage.storage.annotations) simplestorage.storage.annotations = []; now we'll add a function to the module scope which deals with a new annotation.
... the annotation is composed of the text the user entered and the "annotation anchor", which consists of the url, element id and element content: function handlenewannotation(annotationtext, anchor) { var newannotation = new annotation(annotationtext, anchor); simplestorage.storage.annotations.push(newannotation); } this function calls a constructor for an annotation object, which we also need to supply: function annotation(annotationtext, anchor) { this.annotationtext = annotationtext; this.url = anchor[0]; this.ancestorid = anchor[1]; this.anchortext = anchor[2]; } now we need to link this code to the annotation editor, so that when the user presses the return key in the editor, we create and store the new annotation: var annotationeditor = panels.panel({ width: 220, hei...
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Install Manifests - Archive of obsolete content
accepted values are: 1 opens optionsurl in a dialog box 2 options are displayed inside the add-on manager 3 opens optionsurl in a new tab (if the application supports that), or a dialog box optionstype defaults to 1 if there is an optionsurl included in install.rdf or 2 if there is no optionsurl and the file options.xul exists in the root of the add-on.
... <em:optionstype>2</em:optionstype> options can be opened in a new tab since firefox 7.0a1.
... <em:optionstype>3</em:optionstype> <em:optionsurl>chrome://myaddon/content/options.html</em:optionsurl> this section here contains an example of localized html page as an option panel in a new tab: bootstrapped extensions :: localization (l10n) (example linked to is: github :: l10n-html-options).
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Migrating from Internal Linkage to Frozen Linkage - Archive of obsolete content
all these functions are now available via the new string api - appendutf16toutf8(srcstring, deststring); + deststring.append(ns_convertutf16toutf8(srcstring)); the signatures of the find methods differ between the two apis.
...the tonewcstring, tonewunicode methods only work on the appropriate string class.
...for errors about undeclared do_createinstance: #include "nscomponentmanagerutils.h" for errors about undeclared do_getservice: #include "nsservicemanagerutils.h" for errors about undeclared ns_getspecialdirectory: #include "nsdirectoryserviceutils.h" utility classes some utility classes could previously be created with ns_new* utility functions.
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Setting up an extension development environment - Archive of obsolete content
overview you'll create a new user profile to run your development specific firefox session.
... install firefox development extensions specifically for this new developer user profile.
... edit files in the extensions folder of this profile, and restart the application as this new developer profile.
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Creating a dynamic status bar extension - Archive of obsolete content
or, if you've already got the code from the creating a status bar extension sample, you can follow this tutorial to update that existing code with new features.
... download the sample update the install manifest replace all occurrences of the first sample's id, "status-bar-sample-1", with the new sample's id, "stockwatcher", and update the front end metadata to describe our new extension.
...update the chrome manifest the chrome manifest needs only a minor update from the previous sample; simply replace the id of the first sample, "status-bar-sample-1", with the name of the new sample, "stockwatcher".
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Modularization techniques - Archive of obsolete content
introduction the purpose of this document is provide all the information you need to create a new mozilla module or break existing code into a module.
...calling new foo() requires that at compile time you have access to the class declaration of foo().
... } return mrefcnt; } ns_imethodimp nssamplefactory::createinstance(nsisupports *aouter, const nsiid &aiid, void **aresult) { if (aresult == null) { return ns_error_null_pointer; } *aresult = null; nsisupports inst = new nssample(); if (inst == null) { return ns_error_out_of_memory; } nsresult res = inst->queryinterface(aiid, aresult); if (res != ns_ok) { // we didn't get the right interface, so clean up delete inst; } return res; } void nssamplefactory::lockfactory(prbool alock) { // not implemented in simplest case.
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XTech 2005 Presentations - Archive of obsolete content
web 1.6: a rope of sand - opening keynote, mike shaver mozilla e4x - brendan eich "ecmascript for xml" (ecma-357), a new standard for writing and processing xml directly in javascript (ecma-262, iso-16262).
...e4x also adds new javascript operators for filtering xml lists, and for enumerating xml children and descendants.
... another e4x feature: the ability to bind a w3c dom document to a new xml object, reflecting the dom in e4x terms so that updates to either the dom or the e4x object hierarchy show up in the other.
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A XUL Bestiary - Archive of obsolete content
in contrast to the mozilla jargon file, this article describes items of specific interest to the web or content developer looking to establish a context for understanding mozilla's new technologies -- and in particular mozilla's xml-based user interface language, xul.
...in the example above, the chrome is simply a skin file to be loaded into the xul file, but the chrome can also be used to load whole chromes, as when a <menuitem> in one window brings up a new chrome: <menuitem value="mozilla help" oncommand="window.opendialog('chrome://help/content/help.xul', '_blank', 'chrome,all,dialog=no')" /> in this example, the chrome url is being used to point to a chrome within the package hierarchy of the mozilla application.
...the navigator is a package defined in mozilla/bin/chrome/navigator, the mail/news component is a package in mozilla/bin/chrome/mailnews/, and so on.
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XBL Example - Archive of obsolete content
<method name="setpage"> <parameter name="newidx"/> <body> <![cdata[ var thedeck=document.getanonymousnodes(this)[0].childnodes[0]; var totalpages=this.childnodes.length; if (newidx<0) return 0; if (newidx>=totalpages) return totalpages; thedeck.setattribute("selectedindex",newidx); document.getanonymousnodes(this)[0].childnodes[1].childnodes[1] .setattribute("value",(newidx+1)+" of "+...
...totalpages); return newidx; ]]> </body> </method> this function is called setpage and takes one parameter newidx.
... if (newidx<0) return 0; if the new index is before the first page, don't change the page and return 0.
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Archived Mozilla and build documentation - Archive of obsolete content
developing new mozilla features tips for contributing new features to mozilla.
...in addition, you can augment or replace the download manager's user interface by implementing the new nsidownloadmanagerui interface.
...this enables users to visualize audio data, to process this audio data and to create new audio data.
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Gecko Compatibility Handbook - Archive of obsolete content
if you're new to standards, you may find using web standards in your web pages a helpful introduction.
... upgrade apis to use newer standards-conformant versions upgrade web authoring tool to versions that support the w3 standards and gecko browsers content differs in gecko browsers and internet explorer your css relies on bugs in internet explorer's implementation of css.
... <table border="1"> <tr> <form name="form2"> <td> <input type="text"> </td> </form> </tr> <table> this approach is commonly used to get around the fact that <form> is a block level element in html and will naturally begin on a new line in the page.
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ArrayBuffer.transfer() - Archive of obsolete content
the static arraybuffer.transfer() method returns a new arraybuffer whose contents have been taken from the oldbuffer's data and then is either truncated or zero-extended by newbytelength.
... if newbytelength is undefined, the bytelength of the oldbuffer is used.
... syntax arraybuffer.transfer(oldbuffer [, newbytelength]); parameters oldbuffer an arraybuffer object from which to transfer.
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Back to the Server: Server-Side JavaScript On The Rise - Archive of obsolete content
importpackage( java.net ); // connect to the remote resource var u = new url( "http://www.mozilla.org/news.rdf" ); var c = u.openconnection(); c.connect(); // read in the raw data var s = new java.io.inputstreamreader( c.getinputstream() ); var b = new java.io.bufferedreader( s ); var l, str = ""; while( ( l = b.readline() ) != null ) { // skip if( l != "" ) { str = str + l + "\n"; } } // define the namespaces, first the default, // then additional namespaces de...
...fault xml namespace = "http://purl.org/rss/1.0/"; var dc = new namespace( "http://purl.org/dc/elements/1.1/" ); var rdf = new namespace( "http://www.w3.org/1999/02/22-rdf-syntax-ns#" ); // use e4x to process the feed var x = new xml( str ); for each( var i in x..item ) { print( "title: " + i.title + "\n" ); print( "about: " + i.@rdf::about + "\n" ); print( "link: " + i.link + "\n" ); print( "date: " + i.dc::date + "\n" ); } the first half of this script is standard java code used to retrieve the feed data.
... the act of creating an e4x object is quite simple, in the case of listing 3, we do this through the line var x = new xml( str ); from here, the xml is accessible via dot notation.
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Visual-js game engine - Game development
( + server engine tools + server part of web apps ) -3d part : webgl based on three.js engine -3d part : webgl2 based on glmatrix 2.0 -2d part (new): this is typescript based game engine (client part ts).
...new link is : https://github.com/zlatnaspirala/visual-ts-game-engine basic licence rules : 1) each file in this project has its own license , be careful , do not violate the basic rules.
... 1) click create application 2) enter new application name in input prompt 3) select folder for server part of application (important : www is not secure place) 4) select folder for client part of application ( any path in www) 5) new app name will appear in project list , select and click open application 6) open your server folder : install node.js modules one way - use windows bat-s file (in server root folder with prefix inst...
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HTML: A good basis for accessibility - Learn web development
these provide extra semantics for screen readers (and other tools) to give user extra clues about the content they are navigating (see screen reader support for new html5 section elements for an idea of what screen reader support is like).
...open this in a new tab, and try pressing the tab key; after a few presses, you should see the tab focus start to move through the different focusable elements.
... html5 includes two new elements — <figure> and <figcaption> — which are supposed to associate a figure of some kind (it could be anything, not necessarily an image) with a figure caption: <figure> <img src="dinosaur.png" alt="the mozilla tyrannosaurus"> <figcaption>a red tyrannosaurus rex: a two legged dinosaur standing upright like a human, with small arms, and a large head with lots of sharp teeth.</figcapti...
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HTML: A good basis for accessibility - Learn web development
these provide extra semantics for screen readers (and other tools) to give user extra clues about the content they are navigating (see screen reader support for new html5 section elements for an idea of what screen reader support is like).
...open this in a new tab, and try pressing the tab key; after a few presses, you should see the tab focus start to move through the different focusable elements.
... html5 includes two new elements — <figure> and <figcaption> — which are supposed to associate a figure of some kind (it could be anything, not necessarily an image) with a figure caption: <figure> <img src="dinosaur.png" alt="the mozilla tyrannosaurus"> <figcaption>a red tyrannosaurus rex: a two legged dinosaur standing upright like a human, with small arms, and a large head with lots of sharp teeth.</figcapti...
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How CSS works - Learn web development
in an earlier lesson i mentioned that browsers do not all implement new css at the same time.
...it will do this if you have made an error and misspelled a property or value, or if the property or value is just too new and the browser doesn't yet support it.
...it means that you can use new css as an enhancement, knowing that no error will occur if it is not understood — the browser will either get the new feature or not.
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How to build custom form controls - Learn web development
in our example, the missing specifications are obvious so we will handle them, but it can be a real problem for exotic new controls.
...creating new controls is not that easy, especially if you are creating something that has not been done before, and therefore which nobody has the slightest idea of what the expected behaviors and interactions are.
... designing new interactions is generally only an option for very large industry players who have enough reach that an interaction they create can become a standard.
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Introduction to web APIs - Learn web development
the most obvious example is the dom (document object model) api, which allows you to manipulate html and css — creating, removing and changing html, dynamically applying new styles to your page, etc.
... every time you see a popup window appear on a page or some new content displayed, for example, that's the dom in action.
...this seemingly small detail has had a huge impact on the performance and behaviour of sites — if you just need to update a stock listing or list of available new stories, doing it instantly without having to reload the whole entire page from the server can make the site or app feel much more responsive and "snappy".
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A first splash into JavaScript - Learn web development
> randomnumber) { loworhi.textcontent = 'last guess was too high!'; } } guesscount++; guessfield.value = ''; } guesssubmit.addeventlistener('click', checkguess); function setgameover() { guessfield.disabled = true; guesssubmit.disabled = true; resetbutton = document.createelement('button'); resetbutton.textcontent = 'start new game'; document.body.append(resetbutton); resetbutton.addeventlistener('click', resetgame); } function resetgame() { guesscount = 1; const resetparas = document.queryselectorall('.resultparas p'); for(let i = 0 ; i < resetparas.length ; i++) { resetparas[i].textcontent = ''; } resetbutton.parentnode.removechild(resetbutton); guessf...
...for example, if you want to simply add a new text string to an existing one and return the result, you could do this: name += ' says hello!'; this is equivalent to name = name + ' says hello!'; when we are running true/false tests (for example inside conditionals — see below) we use comparison operators.
...add this now, below the rest of your javascript: function setgameover() { guessfield.disabled = true; guesssubmit.disabled = true; resetbutton = document.createelement('button'); resetbutton.textcontent = 'start new game'; document.body.append(resetbutton); resetbutton.addeventlistener('click', resetgame); } the first two lines disable the form text input and button by setting their disabled properties to true.
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Adding features to our bouncing balls demo - Learn web development
previous overview: objects in this assessment, you are expected to use the bouncing balls demo from the previous article as a starting point, and add some new and interesting features to it.
... objective: to test comprehension of javascript objects and object-oriented constructs starting point to get this assessment started, make a local copy of index-finished.html, style.css, and main-finished.js from our last article in a new directory in your local computer.
... creating our new objects first of all, change your existing ball() constructor so that it becomes a shape() constructor and add a new ball() constructor: the shape() constructor should define the x, y, velx, and vely properties in the same way as the ball() constructor did originally, but not the color and size properties.
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Ember interactivity: Events, classes and state - Learn web development
previous overview: client-side javascript frameworks next at this point we'll start adding some interactivity to our app, providing the ability to add and display new todo items.
... add the new line shown below to your header.hbs file: <input class='new-todo' aria-label='what needs to be done?' placeholder='what needs to be done?' autofocus {{on 'keydown' this.onkeydown}} > this new attribute is inside double curly braces, which tells you it is part of ember's dynamic templating syntax.
... first add another import statement below the previous one, to make actions available inside the service: import { action } from '@ember/object'; update the existing export default class tododataservice extends service { … } block as follows: export default class tododataservice extends service { @tracked todos = []; @action add(text) { let newtodo = new todo(text); this.todos = [...this.todos, newtodo]; } } here, the todos property on the service will maintain our list of todos contained inside an array, and we'll mark it with @tracked, because when the value of todos is updated we want the ui to update as well.
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Accessibility in React - Learn web development
a user can add a new task, check and uncheck tasks, delete tasks, or edit task names.
... exploring the keyboard usability problem start by clicking on the input at the top of our app, as if you're going to add a new task.
... change the import statement at the top of todo.js so that it includes useref: import react, { useref, usestate } from "react"; then, create two new constants beneath the hooks in your todo() function.
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Starting our Svelte Todo list app - Learn web development
add new tasks.
... create a new folder — src/components.
...to get rid of this, remove the name prop from src/main.js; it should now look like so: import app from './app.svelte' const app = new app({ target: document.body }) export default app now if you check your testing server url you'll see our todos.svelte component being rendered: adding static markup for the moment we will start with a static markup representation of our app, so you can see what it will look like.
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Getting started with Vue - Learn web development
in this article we'll look at a little bit of vue background, learn how to install it and create a new project, study the high-level structure of the whole project and an individual component, see how to run the project locally, and get it prepared to start building our example.
... to install the cli, run the following command in your terminal: npm install --global @vue/cli or if you'd prefer to use yarn: yarn global add @vue/cli once installed, to initialize a new project you can then open a terminal in the directory you want to create the project in, and run vue create <project-name>.
... initializing a new project to explore various features of vue, we will be building up a sample todo list app.
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Introducing a complete toolchain - Learn web development
once you've signed up for github (click the sign up link on the homepage if you don't already have an account, and follow the instructions), you can use your github account for authentication on netlify (click sign up, then choose github from the "sign up with one of the following" list), so technically you only need to create one new account.
...it offers a way to "commit" blocks of work as you progress, along with comments such as "x new feature implemented", or "bug z now fixed due to y changes".
... revision control can also allow you to branch out your project code, creating a separate version and try out new functionality on, without those changes affecting your original code.
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Package management basics - Learn web development
in addition, what happens if you find a better tool that you want to use instead of the current one, or a new version of your dependency is released that you want to update to?
... the package manager will provide a method to install new dependencies (also referred to as "packages"), manage where packages are stored on your file system, and offer capabilities for you to publish your own packages.
... setting up the app as an npm package first of all, create a new directory to store our experimental app in, somewhere sensible that you’ll find again.
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Eclipse CDT
to side-by-side edit the same file in two different tabs, select the tab of the file that you want to edit, then from the menu bar select "window > new editor".
...this is useful if you want to keep your existing search results open, for example, and have a new search open in a separate tab rather than overriding the contents of the existing search tab.
...click "new", then select "c/c++ application".
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Contributing to the Mozilla code base
the mozilla community prides itself on being an open, accessible, and friendly community for new participants.
...we're determined to solve hurdles for new contributors.
...browse this component on bugzilla for related bugs ask in our matrix channels : #introduction:mozilla.org or #developers:mozilla.org find a bug we've identified as a good fit for new contributors.
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Internationalized Domain Names (IDN) Support in Mozilla Browsers
introduction netscape 7.1 is the first commercial browser that has built-in support for internationalized domain name under the new ietf rfc's established in 2003.
...rfc's 3490, 3491, 3492.) these new rfc's now make it possible for domain name servers to register non-ascii domain names and application/client vendors to implement standardized support for handling non-ascii characters in domain names.
... with this last piece of obstacle for standardization out of the way, domain name registrars are expected to move forward on implementing the new rfc's for existing and future idn registrations quickly.
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Dict.jsm
to use it, you first need to import the code module into your javascript scope: components.utils.import("resource://gre/modules/dict.jsm"); creating a dictionary you can create a new, empty dictionary by simply calling the dict() constructor: var newdict = new dict(); if you wish, you may also pass in an object literal of key/value pairs with which to initialize the dictionary: var someobj = {}; var newdict = new dict({key1: "foo", key2: someobj}); note that values may be any javascript object type.
... in firefox 19 and above, you may also pass a json string to initialize the dictionary: var somejson = '{key1: "foo", key2: {}}'; var newdict = new dict(somejson); note: any string you pass will be assumed to be json.
... constructor dict() creates and returns a new dictionary object.
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Promise.jsm
its usage is not suggested for new code.
...the method returns a new promise that, in turn, is fulfilled or rejected depending on the state of the original promise and on the behavior of the callbacks.
... for example, unhandled exceptions in the callbacks cause the new promise to be rejected, even if the original promise is fulfilled.
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PromiseWorker.jsm
let worker = new promiseworker.abstractworker() worker.dispatch = function(method, args = []) { // dispatch a call to method `method` with args `args` return self[method](...args); }; worker.postmessage = function(...args) { // post a message to the main thread self.postmessage(...args); }; worker.close = function() { // close the worker self.close(); }; worker.log = function(...args) { // log (or ...
... main thread file the basepromiseworker object needs to be imported: const { utils: cu } = components; const { basepromiseworker } = cu.import('resource://gre/modules/promiseworker.jsm', {}); let myworker = new basepromiseworker('path_to_worker_file.js'); you're now ready to start using promiseworker.
...the above example can be rewritten like this: myworker.post('func', [new basepromiseworker.meta(buffer, {transfers: [buffer]})]); this is convenient if the function's arguments are generated by some other functions or passed from somewhere else.
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source-editor.jsm
sourceeditor.events.breakpoint_change "breakpointchange" fired when a new breakpoint is added, or when an existing breakpoint is removed.
... addeventlistener() adds a new event listener to the editor.
... return value the 0-based offset into the text at which newly-typed characters will be inserted.
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Localization content best practices
for example, suppose this string needs to be changed from "event" to "add new event": new-event-header = event add-new-event-header is definitely a better choice for the new string than new-event-header1.
... if a string is tied to an accesskey or a tooltip, use string ids that highlight this relation: neweventbtn.label = add event neweventbtn.accesskey = a neweventbtn.tooltip = add a new event don't duplicate ids if you're adding new strings, check that you're not duplicating an existing id.
...this would waste everybody's time and create unnecessary frustration: localizers have to translate strings that are destined to change, developers will need to use new ids later to update them.
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Localizing with Mercurial
a new shell window should appear.
... type hg --version in the new shell window.
... your config file should have the following settings: [ui] username = your real name <user@example.com> merge = internal:merge [defaults] commit = -v [diff] git = 1 showfunc = 1 unified = 8 to configure hg, follow these steps: create a new file in your favorite text editor.
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NSS 3.12.6 release notes
nss 3.12.6 release notes 2010-03-03 newsgroup: mozilla.dev.tech.crypto introduction network security services (nss) 3.12.6 is a patch release for nss 3.12.
... new in nss 3.12.6 ssl3 & tls renegotiation indication extension (rfc 5746) by default, nss 3.12.6 uses the new tls renegotiation indication extension for tls renegotiation but allows simple ssl/tls connections (without renegotiation) with peers that don't support the tls renegotiation indication extension.
... these options can also be set with the following ssl options: ssloptions.enablerenegotiation ssloptions.requiresafenegotiation new pseudo cipher suite value: tls_empty_renegotiation_info_scsv (cannot be negotiated) tls server name indication for servers tls server name indication (sni) for servers is almost fully implemented in nss 3.12.6.
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NSS 3.15.1 release notes
distribution information nss 3.15.1 source distributions are also available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_15_1_rtm/src/ new in nss 3.15.1 new functionality tls 1.2: tls 1.2 (rfc 5246) is supported.
... new functions none.
... new types in sslprot.h ssl_library_version_tls_1_2 - the protocol version of tls 1.2 on the wire, value 0x0303.
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NSS 3.16.2 release notes
nss 3.16.2 requires nspr 4.10.6 or newer.
... nss 3.16.2 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_16_2_rtm/src/ new in nss 3.16.2 new functionality dtls 1.2 is supported.
...use the new pk11_privdecrypt and pk11_pubencrypt functions with the ckm_rsa_pkcs_oaep mechanism.
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NSS 3.20 release notes
nss 3.20 requires nspr 4.10.8 or newer.
... nss 3.20 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_20_rtm/src/ new in nss 3.20 new functionality the tls library has been extended to support dhe ciphersuites in server applications.
... new functions in ssl.h ssl_dhegroupprefset - configure the set of allowed/enabled dhe group parameters that can be used by nss for a server socket.
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NSS tools : signtool
-g nickname generates a new private-public key pair and corresponding object-signing certificate with the given nickname.
... the newly generated keys and certificate are installed into the key and certificate databases in the directory specified by the -d option.
...since the = sign and newline delimit the value, it should not be quoted.
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Creating JavaScript tests
in which test suite does your new test belong?
...(in fact, the test262 test suite is run as part of jstests.) practical differences between the two test suites: jstest new jstest files should be put the code in the appropriate subdirectory of js/src/tests/non262/, or, under some scenarios, contributed directly to the test262 repository.
... jit-test new jit-test files should be put in js/src/jit-test/tests/basic or one of the other appropriate subdirectories of jit-test/tests.
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Introduction to the JavaScript shell
you can use it as an interactive shell, in which you type javascript code at a prompt and get instant gratification, which is handy for experimenting or testing new features.
...if scope isn't specified, the new object's parent is the same as the original object's.
... otherwise, the new object is placed in the scope of the object specified by scope.
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JS::CloneFunctionObject
this article covers features introduced in spidermonkey 38 create a new function object from an existing jsfunction.
... scopechain js::autoobjectvector the new function's scope chain.
... description js::clonefunctionobject creates a new function object from funobj.
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JS_GetParent
an object created by a script via the new keyword has the same parent as the constructor.
... for example, after d = new date, d has the same parent as date, ordinarily the global object.
...in any case the global object is guaranteed appear on the new function's parent chain.
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Embedded Dialog API
these new windows can be entire new browser windows opened in response to web page script, or dialogs or alerts which may arise from script or merely during normal operation of the browser.
... part of gecko's embedding api is callbacks into the embedding application for creating new windows.
...its simplest requirements are that the app must allow gecko to create new browser windows and new simple, empty windows.
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Accessing the Windows Registry Using XPCOM
support in firefox 1.5 or newer in firefox 1.5, a new api was added, nsiwindowsregkey, which provides extensive registry functionality.
...if you are writing an extension that only needs to support firefox 1.5 or newer, then you only need to read this section.
...if you want to create a new key, you can use the create() method, which takes the same parameters as open().
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nsIMsgDBHdr
void setreferences(in string references); acstring getstringreference(in long refnum); void setrecipientsarray(in string names, in string addresses,in unsigned long numaddresses); void setcclistarray(in string names, in string addresses,in unsigned long numaddresses); void setbcclistarray(in string names, in string addresses,in unsigned long numaddresses);new in thunderbird 3.1 [noscript] void getauthorcollationkey(out octetptr key, out unsigned long len); [noscript] void getsubjectcollationkey(out octetptr key, out unsigned long len); [noscript] void getrecipientscollationkey(out octetptr key, out unsigned long len); attributes attribute type description isread boolean readonly: indicat...
... messageoffset unsigned long indicates the position of the offline copy of an imap or news messages within the offline store.
... offlinemessagesize unsigned long indicates the size of the offline copy of an imap or news message.
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nsIWebProgressListener
when a redirect occurs, a new request is generated automatically to process the new request.
... expect a corresponding state_start event for the new request, and a state_stop for the redirected request.
... location change flags constant value description location_change_same_document 0x00000001 this flag is on when awebprogress did not load a new document.
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Settings - Firefox Developer Tools
new tools are often included in firefox but not enabled by default.
...there's just one of these: enable persistent logs a setting to control whether or not the web console and network monitor clear their output when you navigate to a new page.
... enable new console frontend switch to the experimental new console.
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about:debugging - Firefox Developer Tools
if your about:debugging page is different from the one displayed here, go to about:config, find and set the option devtools.aboutdebugging.new-enabled to true.
...when you do, the developer tools open in a new tab.
... manifest url if you click the link, the manifest for this extension is loaded in a new tab.
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CanvasRenderingContext2D - Web APIs
this code draws a house: // set line width ctx.linewidth = 10; // wall ctx.strokerect(75, 140, 150, 110); // door ctx.fillrect(130, 190, 40, 60); // roof ctx.beginpath(); ctx.moveto(50, 140); ctx.lineto(150, 60); ctx.lineto(250, 140); ctx.closepath(); ctx.stroke(); the resulting drawing looks like this: reference drawing rectangles there are three methods that immediately draw rectangles to the canvas.
... canvasrenderingcontext2d.linewidth width of lines.
... canvasrenderingcontext2d.beginpath() starts a new path by emptying the list of sub-paths.
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FileSystemEntry.moveTo() - Web APIs
the filesystementry interface's method moveto() moves the file specified by the entry to a new location on the file system, or renames the file if the destination directory is the same as the source.
... an entry can't be moved into its parent directory unless you specify a new name.
... specifying a new name lets moveto() double as a rename operation.
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IDBObjectStore - Web APIs
this is for adding new records to an object store.
... idbobjectstore.createindex() creates a new index during a version upgrade, returning a new idbindex object in the connected database.
... idbobjectstore.opencursor() returns an idbrequest object, and, in a separate thread, returns a new idbcursorwithvalue object.
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Checking when a deadline is due - Web APIs
this step is mainly for browsers that don't support html form validation (i have used the required attribute in my html to force validation, in those that do.) else { var newitem = [ { tasktitle: title.value, hours : hours.value, minutes : minutes.value, day : day.value, month : month.value, year : year.value, notified : "no" } ]; // open a read/write db transaction, ready for adding the data var transaction = db.transaction(["todolist"], "readwrite"); // report on th...
...duplicate items not allowed.</li>'; }; // create an object store on the transaction var objectstore = transaction.objectstore("todolist"); // add our newitem object to the object store var request = objectstore.add(newitem[0]); in this section we create an object called newitem that stores the data in the format required to insert it into the database.
... the next few lines open the database transaction and provide messages to notify the user if this was successful or failed.then an objectstore is created into which the new item is added.
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Recording a media element - Web APIs
function wait(delayinms) { return new promise(resolve => settimeout(resolve, delayinms)); } the wait() function returns a new promise which resolves once the specified number of milliseconds have elapsed.
... starting media recording the startrecording() function handles starting the recording process: function startrecording(stream, lengthinms) { let recorder = new mediarecorder(stream); let data = []; recorder.ondataavailable = event => data.push(event.data); recorder.start(); log(recorder.state + " for " + (lengthinms/1000) + " seconds..."); let stopped = new promise((resolve, reject) => { recorder.onstop = resolve; recorder.onerror = event => reject(event.name); }); let recorded = wait(lengthinms).then( () => recorder.state =...
... lines 9-12 creates a new promise, named stopped, which is resolved when the mediarecorder's onstop event handler is called, and is rejected if its onerror event handler is called.
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RTCTrackEvent - Web APIs
the webrtc api interface rtctrackevent represents the track event, which is sent when a new mediastreamtrack is added to an rtcrtpreceiver which is part of the rtcpeerconnection.
... constructor rtctrackevent() creates and returns a new rtctrackevent object, initialized with properties taken from the specified rtctrackeventinit dictionary.
... you will probably not need to create new track events yourself, since they're typically created by the webrtc infrastructure and sent to the connection's ontrack event handler.
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XRView - Web APIs
it's computed by inverting then transposing the model view matrix: mat4.invert(normalmatrix, modelviewmatrix); mat4.transpose(normalmatrix, normalmatrix); teleporting an object to programmatically move and/or rotate (often referred to as teleporting) an object, you need to create a new reference space for that object which applies a transform that encapsulates the desired changes.
... the createteleporttransform() function returns the transform needed to move and rotate an object whose current situation is described by the reference space refspace to a new position and orientation which is computed using previously recorded mouse and keyboard input data which has generated offsets for yaw, pitch, and position along all three axes.
... let newtransform = new xrrigidtransform({x: transversedistance, y: verticaldistance, z: axialdistance}, {x: inverseorientation[0], y: inverseorientation[1], z: inverseorientation[2], w: inverseorientation[3]}); mat4.copy(mousematrix, newtransform.matrix); // create...
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Implementing a Microsoft Active Accessibility (MSAA) Server - Accessibility
mostly myth: microsoft is abandoning msaa in longhorn reality: microsoft's accessibility strategy is changing to a new api in longhorn.
...there's a very good chance they won't ask for more than the events marked [important]: event_system_sound event_system_alert [can be important, to have auto-speaking for newly created role_alerts] event_system_foreground event_system_menustart [important] event_system_menuend [important] event_system_menupopupstart [important] event_system_menupopupend [important] event_system_capturestart event_system_captureend event_system_movesizestart event_system_movesizeend event_system_contexthelpstart event_system_contexthelpend ...
...fire event_object_statechange for a window/client/pane object when it starts to load a new document.
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Border-image generator - CSS: Cascading Style Sheets
this.min : value; var input = new inputcomponent(this); var slider_left = new slidercomponent(this, -1); var slider_right = new slidercomponent(this, 1); slider_left.classname = 'ui-input-slider-left'; slider_right.classname = 'ui-input-slider-right'; if (name) { var info = document.createelement('span'); info.classname = 'ui-input-slider-info'; info.textcontent = name; node.appendchild(info); } nod...
...ic] === undefined) return; for (var i = 0; i < subscribers[this.topic].length; i++) subscribers[this.topic][i](this.value); }; var createslider = function createslider(topic, label) { var slider = document.createelement('div'); slider.classname = 'ui-input-slider'; slider.setattribute('data-topic', topic); if (label !== undefined) slider.setattribute('data-info', label); new inputslider(slider); return slider; }; var init = function init() { var elem = document.queryselectorall('.ui-input-slider'); var size = elem.length; for (var i = 0; i < size; i++) new inputslider(elem[i]); }; return { init : init, setmax : setmax, setmin : setmin, setunit : setunit, setstep : setstep, getnode : getnode, getstep : getstep, setvalue : setvalue, s...
...]); notify.call(this); }; var createdropdown = function createdropdown(topic, options) { var dropdown = document.createelement('div'); dropdown.setattribute('data-topic', topic); dropdown.classname = 'ui-dropdown'; for (var i in options) { var x = document.createelement('div'); x.setattribute('data-value', i); x.textcontent = options[i]; dropdown.appendchild(x); } new dropdown(dropdown); return dropdown; }; var setvalue = function setvalue(topic, index) { if (dropdowns[topic] === undefined || index >= dropdowns[topic].dropmenu.children.length) return; dropdowns[topic].setnodevalue(dropdowns[topic].dropmenu.children[index]); }; var subscribe = function subscribe(topic, callback) { if (subscribers[topic] === undefined) subscribers[topic]...
...And 5 more matches