inIDOMUtils
layout/inspector/inidomutils.idlscriptable dom utility functions.
... inherits from: nsisupports last changed in gecko 22.0 (firefox 22.0 / thunderbird 22.0 / seamonkey 2.19) implemented by: @mozilla.org/inspector/dom-utils;1 as a service: var inidomutils = components.classes["@mozilla.org/inspector/dom-utils;1"] .getservice(components.interfaces.inidomutils); method overview void addpseudoclasslock(in nsidomelement aelement, in domstring apseudoclass); void clearpseudoclasslocks(in nsidomelement aelement); [implicit_jscontext] jsval colornametorgb(in domstring acolorname); nsiarray getbindingurls(in nsidomelement aelement); nsidomnodelist getchildrenfornode(in nsidomnode anode, in boolean ashowinganonymouscontent); unsigned long long getcontentstate(in nsidomelement aelement); ...
... void getcsspropertynames([optional] in unsigned long aflags, [optional] out unsigned long acount, [retval, array, size_is(acount)] out wstring aprops); nsisupportsarray getcssstylerules(in nsidomelement aelement, [optional] in domstring apseudo); nsidomnode getparentfornode(in nsidomnode anode, in boolean ashowinganonymouscontent); unsigned long getruleline(in nsidomcssstylerule arule); unsigned long getrulecolumn(in nsidomcssstylerule arule); unsigned long getselectorcount(in nsidomcssstylerule arule); astring getselectortext(in nsidomcssstylerule arule, in unsigned long aselectorindex); unsigned long long getspecificity(in nsidomcssstylerule arule, in unsigned long aselectorindex); nsidomfontfacelist getusedfon...
...And 21 more matches

nsIDOMMozNetworkStatsManager
please check dom/network/interfaces/nsidomnetworkstatsmanager.idl to make sure this data is accurate.
... dom/network/interfaces/nsidomnetworkstatsmanager.idlscriptable interface that provides access to network usage statistics.
...to create an instance, use: var networkstatsmanager = components.classes["@mozilla.org/networkstatsmanager;1"] .createinstance(components.interfaces.nsidomnetworkstatsmanager); furthermore, the networkstatsmanager is published through a moznetworkstats child object within the navigator object.
...And 20 more matches

DOM Inspector internals - Firefox Developer Tools
there are three main facets to dom inspector.
...this is the two-pane inspector that appears when ctrl+shift+i (or cmd+shift+i) is pressed from one of the applications for which dom inspector has explicit support (i.e., menuitems placed via overlay).
... besides the dom inspector's primary ui, there are a couple other top-level inspectors which differ slightly (the object inspector and dom inspector sidebar used in seamonkey).
...And 20 more matches

Using shadow DOM - Web Components
the shadow dom api is a key part of this, providing a way to attach a hidden separated dom to an element.
... this article covers the basics of using the shadow dom.
... note: shadow dom is supported by default in firefox (63 and onwards), chrome, opera, and safari.
...And 20 more matches

Using the W3C DOM - Archive of obsolete content
some browsers have non-standard properties, such as internet explorer's document.all[], that are not part of the w3c document object model (dom) standards and may cause javascript errors in standards-compliant browsers.
... the w3c document object model provides interfaces dom elements to scriptable objects.
... w3c dom standards are well supported by modern browsers, however the standards are moving target so support for newer features should be tested before use.
...And 19 more matches

nsIDOMNSHTMLDocument
dom/interfaces/html/nsidomnshtmldocument.idlscriptable this interface defines methods and properties supported by gecko on the document object that are not part of dom level 2.
... inherits from: nsisupports last changed in gecko 6.0 (firefox 6.0 / thunderbird 6.0 / seamonkey 2.3) method overview void captureevents(in long eventflags); void clear(); boolean execcommand(in domstring commandid, in boolean doshowui, in domstring value); boolean execcommandshowhelp(in domstring commandid); obsolete since gecko 14.0 domstring getselection(); nsidomdocument open(in acstring acontenttype, in boolean areplace); boolean querycommandenabled(in domstring commandid); boolean querycommandindeterm(in domstring commandid); boolean querycommandstate(in domstring commandid); boolean querycommandsupported(in domstring commandid); domstring querycommandtext(in domstring commandid); obso...
...lete since gecko 14.0 domstring querycommandvalue(in domstring commandid); void releaseevents(in long eventflags); void routeevent(in nsidomevent evt); void write(); obsolete since gecko 2.0 void writeln(); obsolete since gecko 2.0 attributes attribute type description alinkcolor domstring same as body.alink bgcolor domstring same as body.bgcolor compatmode domstring returns "backcompat" if the document is in quirks mode or "css1compat" if the document is in full standards or almost standards mode.
...And 18 more matches

JavaScript-DOM Prototypes in Mozilla
prototype setup on an xpconnect wrapped dom node in mozilla when a dom node is accessed from javascript in mozilla, the native c++ dom node is wrapped using xpconnect and the wrapper is exposed to javascript as the javascript representation of the dom node.
... var obj = document.images[0]; here, obj will not really have any properties (except for the standard jsobject properties such as constructor, and the non-standard __parent__, __proto__, etc.), all the dom functionality of obj comes from obj's prototype (obj.__proto__) that xpconnect sets up when exposing the first image in document to javascript.
...one of these interfaces is nsidomhtmlimageelement, others are nsidomnshtmlimageelement (netscape extensions to the standard interface), nsidomeventtarget, nsidomeventlistener, nsidom3node, and so on.
...And 17 more matches

nsIDOMElement
dom/interfaces/core/nsidomelement.idlscriptable this interface represents an element in an html or xml document.
... inherits from: nsidomnode last changed in gecko 1.7 method overview domstring getattribute(in domstring name); nsidomattr getattributenode(in domstring name); nsidomattr getattributenodens(in domstring namespaceuri, in domstring localname); domstring getattributens(in domstring namespaceuri, in domstring localname); nsidomnodelist getelementsbytagname(in domstring name); nsidomnodelist getelementsbytagnamens(in domstring namespaceuri, in domstring localname); boolean hasattribute(in domstring name); boolean hasattributens(in domstring namespaceuri, in domstring localname); void removeattribute(in domstring name) nsidomattr removeattributenode(in nsidomattr oldattr) void removeattributens(in domstring namespaceuri, in domstring localname) void setattribute(in dom...
...string name, in domstring value) nsidomattr setattributenode(in nsidomattr newattr) nsidomattr setattributenodens(in nsidomattr newattr) void setattributens(in domstring namespaceuri, in domstring qualifiedname, in domstring value) attributes attribute type description tagname domstring the element tag name.
...And 17 more matches

Dominators view - Firefox Developer Tools
the dominators view is new in firefox 46.
... starting in firefox 46, the memory tool includes a new view called the dominators view.
... if you already know what shallow size, retained size, and dominators are, skip to the dominators ui section.
...And 16 more matches

The HTML DOM API - Web APIs
the html dom api is made up of the interfaces that define the functionality of each of the elements in html, as well as any supporting types and interfaces they rely upon.
... the functional areas included in the html dom api include: access to and control of html elements via the dom.
... html dom concepts and usage in this article, we'll focus on the parts of the html dom that involve engaging with html elements.
...And 16 more matches

Subdomain takeovers - Web security
a subdomain takeover occurs when an attacker gains control over a subdomain of a target domain.
... typically, this happens when the subdomain has a canonical name (cname) in the domain name system (dns), but no host is providing content for it.
...an attacker can take over that subdomain by providing their own virtual host and then hosting their own content for it.
...And 16 more matches

DOMTokenList - Web APIs
the domtokenlist interface represents a set of space-separated tokens.
...domtokenlist is always case-sensitive.
... properties domtokenlist.length read only is an integer representing the number of objects stored in the object.
...And 15 more matches

Appendix E: DOM Building and Insertion (HTML & XUL) - Archive of obsolete content
many add-ons need to dynamically generate dom content, either xul or html, from their scripts.
... building dom trees in most cases, dom trees should be built exclusively with dom creation methods.
... the following methods will all safely create a dom tree without risk of remote execution.
...And 12 more matches

nsIDOMNode
dom/interfaces/core/nsidomnode.idlscriptable this interface is the primary datatype for the entire document object model.
... inherits from: nsisupports last changed in gecko 0.9.6 method overview nsidomnode appendchild(in nsidomnode newchild) nsidomnode clonenode(in boolean deep); boolean hasattributes(); boolean haschildnodes(); nsidomnode insertbefore(in nsidomnode newchild, in nsidomnode refchild) boolean issupported(in domstring feature, in domstring version); void normalize(); nsidomnode removechild(in nsidomnode oldchild) nsidomnode replacechild(in nsidomnode newchild, in nsidomnode oldchild) attributes attribute type description attributes nsidomnamednodemap read only.
... childnodes nsidomnodelist read only.
...And 12 more matches

nsIDOMOfflineResourceList
the nsidomofflineresourcelist interface provides access to the application cache that allows web content's resources to be cached locally for use while offline.
... dom/interfaces/offline/nsidomofflineresourcelist.idlscriptable please add a summary to this article.
... last changed in gecko 1.9.2 (firefox 3.6 / thunderbird 3.1 / fennec 1.0) inherits from: nsisupports method overview void mozadd(in domstring uri); boolean mozhasitem(in domstring uri); domstring mozitem(in unsigned long index); void mozremove(in domstring uri); void swapcache(); void update(); attributes attribute type description mozitems nsidomofflineresourcelist the list of dynamically-managed entries in the offline resource list.
...And 12 more matches

nsIDOMEvent
dom/interfaces/events/nsidomevent.idlscriptable this interface is the primary data type for all events in the document object model.
... inherits from: nsisupports last changed in gecko 16.0 (firefox 16.0 / thunderbird 16.0 / seamonkey 2.13) note: as of gecko 16.0, the nsiprivatedomevent interface was merged into this interface.
... nseventptr getinternalnsevent(); violates the xpcom interface guidelines boolean getpreventdefault(); deprecated since gecko 16.0 void initevent(in domstring eventtypearg, in boolean canbubblearg, in boolean cancelablearg); boolean isdispatchstopped(); violates the xpcom interface guidelines void preventbubble(); obsolete since gecko 24 void preventcapture(); obsolete since gecko 24 void preventdefault(); void serialize(in ipcmessageptr amsg, in boolean aserializeinterfacetype); violates the xpcom in...
...And 11 more matches

DOMParser - Web APIs
the domparser interface provides the ability to parse xml or html source code from a string into a dom document.
... you can perform the opposite operation—converting a dom tree into xml or html source—using the xmlserializer interface.
... in the case of an html document, you can also replace portions of the dom with new dom trees built from html by setting the value of the element.innerhtml and outerhtml properties.
...And 11 more matches

DOMPoint - Web APIs
a dompoint object represents a 2d or 3d point in a coordinate system; it includes values for the coordinates in up to three dimensions, as well as an optional perspective value.
... dompoint is based on dompointreadonly but allows its properties' values to be changed.
... constructor dompoint() creates and returns a new dompoint object given the values of zero or more of its coordinate components and optionally the w perspective value.
...And 11 more matches

Using the W3C DOM Level 1 Core - Web APIs
the w3c's dom level 1 core is an api for manipulating the dom trees of html and xml documents (among other tree-like types of documents).
... due to the ubiquity of the dom, this api is supported in all major browsers, including mozilla firefox and microsoft internet explorer, and serves as a base for scripting on the web.
... what is a dom tree?
...And 11 more matches

XDomainRequest - Web APIs
xdomainrequest is an implementation of http access control (cors) that worked in internet explorer 8 and 9.
... syntax var xdr = new xdomainrequest(); returns a new xdomainrequest object, which can then be used to make and manage these requests.
... properties xdomainrequest.timeout gets or sets the amount of time until a request times out.
...And 11 more matches

nsIDOMGeoPositionAddress
dom/interfaces/geolocation/nsidomgeopositionaddress.idlscriptable this interface describes the geographical address of a location, including street, city, and country information, for example.
... 1.0 66 introduced gecko 1.9.2 obsolete gecko 14.0 inherits from: nsisupports last changed in gecko 11 (firefox 11 / thunderbird 11 / seamonkey 2.8) this object is obtained from an nsidomgeopositionaddress object via its address attribute.
... note: this needs to be moved into the dom reference.
...And 10 more matches

DOM Inspector - Firefox Developer Tools
the dom inspector (also known as domi) is a developer tool used to inspect, browse, and edit the document object model of documents - usually web pages or xul windows.
... the dom hierarchy can be navigated using a two-paned window that allows a variety of different views on the document and all nodes within.
...if you are looking for the dom inspector that's built into firefox, see the documentation for the page inspector.
...And 10 more matches

Crypto.getRandomValues() - Web APIs
the crypto.getrandomvalues() method lets you get cryptographically strong random values.
... the array given as the parameter is filled with random numbers (random in its cryptographic meaning).
... to guarantee enough performance, implementations are not using a truly random number generator, but they are using a pseudo-random number generator seeded with a value with enough entropy.
...And 10 more matches

DOMRect - Web APIs
a domrect represents a rectangle.
... the type of box represented by the domrect is specified by the method or property that returned it.
... it inherits from its parent, domrectreadonly.
...And 10 more matches

Traversing an HTML table with JavaScript and DOM Interfaces - Web APIs
introduction this article is an overview of some powerful, fundamental dom level 1 methods and how to use them from javascript.
...the dom methods presented here are not specific to html; they also apply to xml.
... the dom methods presented here are part of the document object model (core) level 1 specification.
...And 10 more matches

HTML to DOM - Archive of obsolete content
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.
... safely parsing simple html to dom when using xmlhttprequest to get the html of a remote webpage, it is often advantageous to turn that html string into dom for easier manipulation.
... the function below will safely parse simple html and return a dom object which can be manipulated like web page elements.
...And 9 more matches

DOMPointReadOnly - Web APIs
the dompointreadonly interface specifies the coordinate and perspective fields used by dompoint to define a 2d or 3d point in a coordinate system.
... there are two ways to create a new dompointreadonly instance.
... first, you can use its constructor, passing in the values of the parameters for each dimension and, optionally, the perspective: /* 2d */ const point = new dompointreadonly(50, 50); /* 3d */ const point = new dompointreadonly(50, 50, 25); /* 3d with perspective */ const point = new dompointreadonly(100, 100, 100, 1.0); the other option is to use the static dompointreadonly.frompoint() method: const point = dompointreadonly.frompoint({x: 100, y: 100, z: 50; w: 1.0}); constructor dompointreadonly() creates a new dompointreadonly object given the values of its coordinates and perspective.
...And 9 more matches

Math.random() - JavaScript
the math.random() function returns a floating-point, pseudo-random number in the range 0 to less than 1 (inclusive of 0, but not 1) with approximately uniform distribution over that range — which you can then scale to your desired range.
... the implementation selects the initial seed to the random number generation algorithm; it cannot be chosen or reset by the user.
... math.random() does not provide cryptographically secure random numbers.
...And 9 more matches

Math.random() - JavaScript
the math.random() function returns a floating-point, pseudo-random number in the range 0 to less than 1 (inclusive of 0, but not 1) with approximately uniform distribution over that range — which you can then scale to your desired range.
... the implementation selects the initial seed to the random number generation algorithm; it cannot be chosen or reset by the user.
... math.random() does not provide cryptographically secure random numbers.
...And 9 more matches

Appendix F: Monitoring DOM changes - Archive of obsolete content
dom mutation events were introduced to html several years ago in order to allow web applications to monitor changes to the dom by other scripts.
...event listeners for those events are the preferred method for detecting dom modifications when feasible.
... monkey patching in many instances, especially when dealing with chrome code, the best way to modify actions which result in dom mutations is by wrapping the functions that trigger those changes.
...And 8 more matches

nsIDOMGeoGeolocation
summary the nsidomgeogeolocation interface provides access to geolocation information.
... dom/interfaces/geolocation/nsidomgeogeolocation.idlscriptable please add a summary to this article.
...starting in gecko 1.9.2, you can access this service using: var geolocation = components.classes["@mozilla.org/geolocation;1"] .getservice(components.interfaces.nsidomgeogeolocation); note: if nsidgeogeolocation throws an exception when importing, try using this: var geolocation = components.classes["@mozilla.org/geolocation;1"] .getservice(components.interfaces.nsisupports); method overview void clearwatch(in unsigned short watchid); void getcurrentposition(in nsidomgeopositioncallback successcallback, [optional] in nsidomgeopositionerrorc...
...And 8 more matches

nsIDOMParser
note: if you're a web developer, please refer to the domparser documentation instead.
... creating a domparser to create a domparser object from a web page or a chrome script running in a window, simply use new domparser().
... when you create a domparser from a privileged script, you can pass parameters to the constructor, more on that below.
...And 8 more matches

DOMRectReadOnly - Web APIs
the domrectreadonly interface specifies the standard properties used by domrect to define a rectangle whose properties are immutable.
... constructor domrectreadonly() defined to create a new domrectreadonly object.
... properties domrectreadonly.x read only the x coordinate of the domrect's origin.
...And 8 more matches

Document Object Model (DOM) - Web APIs
the document object model (dom) connects web pages to scripts or programming languages by representing the structure of a document—such as the html representing a web page—in memory.
... the dom represents a document with a logical tree.
...dom methods allow programmatic access to the tree.
...And 8 more matches

Domain - MDN Web Docs Glossary: Definitions of Web-related terms
a domain is an authority within the internet that controls its own resources.
... its "domain name" is a way to address this authority as part of the hierarchy in a url - usually the most memorable part of it, for instance a brand name.
... a fully qualified domain name (fqdn) contains all necessary parts to look up this authority by name unambigously using the dns system of the internet.
...And 7 more matches

PR_GetRandomNoise
produces a random value for use as a seed value for another random number generator.
... syntax #include <prrng.h> nspr_api(prsize) pr_getrandomnoise( void *buf, prsize size ); parameters the function has these parameters: buf a pointer to a caller-supplied buffer to contain the generated random number.
... size the size, in bytes, of the requested random number.
...And 7 more matches

nsIDOMFontFace
layout/inspector/public/nsidomfontface.idlscriptable describes a single font face.
...it's returned in a list you can get using inidomutils.getusedfontfaces().
... attribute type description cssfamilyname domstring a family name that could be used in css font-family (not necessarily the actual name that was used, due to aliases, generics, localized names, and so on).
...And 7 more matches

nsIDOMStorage
dom/interfaces/storage/nsidomstorage.idlscriptable this interface represents the storage space used for session storage in the dom.
... 1.0 66 introduced gecko 1.8.1 inherits from: nsisupports last changed in gecko 1.9.2 (firefox 3.6 / thunderbird 3.1 / fennec 1.0) a dom window's session storage object can be retrieved from the window's sessionstorage attribute.
...method overview void clear(); domstring getitem(in domstring key); domstring key(in unsigned long index); void removeitem(in domstring key); void setitem(in domstring key, in domstring data); attributes attribute type description length unsigned long the number of keys stored in the session store.
...And 7 more matches

nsIDOMXPathEvaluator
dom/interfaces/xpath/nsidomxpathevaluator.idlscriptable this interface is used to evaluate xpath expressions against a dom node.
... inherits from: nsisupports last changed in gecko 1.7 implemented by: @mozilla.org/dom/xpath-evaluator;1.
... to create an instance, use: var domxpathevaluator = components.classes["@mozilla.org/dom/xpath-evaluator;1"] .createinstance(components.interfaces.nsidomxpathevaluator); method overview nsidomxpathexpression createexpression(in domstring expression, in nsidomxpathnsresolver resolver) nsidomxpathnsresolver creatensresolver(in nsidomnode noderesolver); nsisupports evaluate(in domstring expression, in nsidomnode contextnode, in nsidomxpathnsresolver resolver, in unsigned short type, in nsisupports result) methods createexpression() creates an nsidomxpathexpression which can then be used for (repeated) evaluations.
...And 7 more matches

DOMQuad - Web APIs
a domquad is a collection of four dompoints defining the corners of an arbitrary quadrilateral.
... returning domquads lets getboxquads() return accurate information even when arbitrary 2d or 3d transforms are present.
... it has a handy bounds attribute returning a domrectreadonly for those cases where you just want an axis-aligned bounding rectangle.
...And 7 more matches

Document: DOMContentLoaded event - Web APIs
the domcontentloaded event fires when the initial html document has been completely loaded and parsed, without waiting for stylesheets, images, and subframes to finish loading.
...it is a common mistake to use load where domcontentloaded would be more appropriate.
... synchronous javascript pauses parsing of the dom.
...And 7 more matches

nsIDOMStorage2
the nsidomstorage2 interface represents the storage space used for local storage in the dom.
...a dom window's local storage object can be retrieved from the window's localstorage attribute.
... dom/public/idl/storage/nsidomstorage2.idlscriptable please add a summary to this article.
...And 6 more matches

nsIDOMXPathResult
dom/interfaces/xpath/nsidomxpathresult.idlscriptable this interface describes an xpath result returned by nsidomxpathevaluator or document.evaluate inherits from: nsisupports last changed in gecko 1.7 method overview nsidomnode iteratenext(); nsidomnode snapshotitem(in unsigned long index); attributes attribute type description booleanvalue boolean if resulttype is boolean_type, the boolean value.
... singlenodevalue nsidomnode if resulttype is any_unordered_node_type or first_ordered_node_type, a single dom node.
... stringvalue domstring if resulttype is string_type, the boolean value.
...And 6 more matches

DOM Property Viewer - Firefox Developer Tools
the dom property viewer is new in firefox 48.
... the dom property viewer lets you inspect the properties of the dom as an expandable tree structure, starting from the window object of the current page or the selected iframe.
... enabling the dom property viewer the dom property viewer is not enabled by default.
...And 6 more matches

DOMImplementation - Web APIs
the domimplementation interface represents an object providing methods which are not dependent on any particular document.
... domimplementation.createdocument() creates and returns an xmldocument.
... domimplementation.createdocumenttype() creates and returns a documenttype.
...And 6 more matches

DOMPointInit - Web APIs
the dompointinit dictionary is used to provide the values of the coordinates and perspective when creating and jsonifying a dompoint or dompointreadonly object.
... it's used as an input parameter to the dompoint/dompointreadonly method frompoint().
... properties dompointinit.x an unrestricted floating-point value indicating the x-coordinate of the point in space.
...And 6 more matches

Examples of web and XML development using the DOM - Web APIs
this chapter provides some longer examples of web and xml development using the dom.
...20px-wide" onclick="setborderwidth(20);" /> <input type="button" value="make border 5px-wide" onclick="setborderwidth(5);" /> </form> </body> </html> example 3: manipulating styles in this simple example, some basic style properties of an html paragraph element are accessed using the style object on the element and that object's css style properties, which can be retrieved and set from the dom.
...les[j].selectortext + "\n" ); } } for a document with a single stylesheet in which the following three rules are defined: body { background-color: darkblue; } p { font-face: arial; font-size: 10pt; margin-left: .125in; } #lumpy { display: none; } this script outputs the following: body p #lumpy example 5: event propagation this example demonstrates how events fire and are handled in the dom in a very simple way.
...And 6 more matches

Domain sharding - MDN Web Docs Glossary: Definitions of Web-related terms
browsers limit the number of active connections for each domain.
... to enable concurrent downloads of assets exceeding that limit, domain sharding splits content across multiple subdomains.
... when multiple domains are used to serve multiple assets, browsers are able to download more resources simultaneously, resulting in a faster page load time and improved user experience.
...And 5 more matches

nsIDOMStorageEventObsolete
dom/interfaces/storage/nsidomstorageeventobsolete.idlscriptable this interface represents an event that occurs to notify interested parties about changes to the contents of a dom storage space; it is used for both session storage and local storage.
... 1.0 66 introduced gecko 1.8 obsolete gecko 2.0 inherits from: nsidomevent last changed in gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) when a dom storage event is received, the recipient can check its domain attribute to determine which domain's data store has changed.
... if the value of the domain attribute is "#session", then the session storage has changed.
...And 5 more matches

nsIDOMStorageManager
dom/interfaces/storage/nsidomstoragemanager.idlscriptable this interface provides methods for managing data stored in the offline apps cache.
... 1.0 66 introduced gecko 1.9 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) implemented by @mozilla.org/dom/storagemanager;1 as a service: var domstoragemanager = components.classes["@mozilla.org/dom/storagemanager;1"] .getservice(components.interfaces.nsidomstoragemanager); method overview void clearofflineapps(); nsidomstorage getlocalstorageforprincipal(in nsiprincipal aprincipal, in domstring adocumenturi); long getusage(in astring aownerdomain); methods clearofflineapps() clears keys owned by offline applications.
... all data owned by a domain with the "offline-app" permission is removed from the database.
...And 5 more matches

DOM Inspector FAQ - Firefox Developer Tools
inspect a url this just focuses the dom inspector's address bar, which allow you to inspect arbitrary documents which can be accessed via a url.
... why do some nodes in the document dom nodes viewer appear in red?
... these nodes are anonymous content nodes, meaning they are not in the dom generated by the original document.
...And 5 more matches

DOMException - Web APIs
the domexception interface represents an abnormal event (called an exception) that occurs as a result of calling a method or accessing a property of a web api.
... constructor domexception() returns a domexception object with a specified message and name.
... properties domexception.code read only returns a short that contains one of the error code constants, or 0 if none match.
...And 5 more matches

DOMLocator - Web APIs
returned by domerror.location.
... properties domlocator.linenumber read only returns a positive integer or -1.
... domlocator.columnnumber read only returns a positive integer or -1.
...And 5 more matches

DOMPoint.fromPoint() - Web APIs
the static dompoint method frompoint() creates and returns a new mutable dompoint object given a source point.
... the source point is specified as a dompointinit-compatible object, which includes both dompoint and dompointreadonly.
... you can also create a new dompoint object using the new dompoint() constructor.
...And 5 more matches

How whitespace is handled by HTML, CSS, and in the DOM - Web APIs
the presence of whitespace in the dom can cause layout problems and make manipulation of the content tree difficult in unexpected ways, depending on where it is located.
... any whitespace characters that are outside of html elements in the original document are represented in the dom.
... take the following document, for example: <!doctype html> <html> <head> <title>my document</title> </head> <body> <h1>header</h1> <p> paragraph </p> </body> </html> the dom tree for this looks like so: conserving whitespace characters in the dom is useful in many ways, but there are certain places where this makes certain layouts more difficult to implement, and causes problems for developers who want to iterate through nodes in the dom.
...And 5 more matches

Cross-domain Content Scripts - Archive of obsolete content
by default, content scripts don't have any cross-domain privileges.
... in particular, they can't: access content hosted in an iframe, if that content is served from a different domain make cross-domain xmlhttprequests however, you can enable these features for specific domains by adding them to your add-on's package.json under the "cross-domain-content" key, which itself lives under the "permissions" key: "permissions": { "cross-domain-content": ["http://example.org/", "http://example.com/"] } the domains listed must include the scheme and fully qualified domain name, and these must exactly match the domains serving the content - so in the example above, the content script will not be allowed to access content served from https://example.com/.
... cross-domain iframes the following "main.js" creates a page-worker which loads a local html file called "page.html", attaches a content script called "page.js" to the page, waits for messages from the script, and logs the payload.
...And 4 more matches

FC_GenerateRandom
name fc_generaterandom - generate a random number.
... syntax ck_rv fc_generaterandom( ck_session_handle hsession, ck_byte_ptr prandomdata, ck_ulong ulrandomlen ); parameters hsession [in] session handle.
... prandomdata [out] pointer to the location to receive the random data.
...And 4 more matches

nsIDOMChromeWindow
dom/interfaces/base/nsidomchromewindow.idlscriptable this interface is implemented on the window object in chrome.
... inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview void beginwindowmove(in nsidomevent mousedownevent); void getattention(); void getattentionwithcyclecount(in long acyclecount); void maximize(); void minimize(); void notifydefaultbuttonloaded(in nsidomelement defaultbutton); void restore(); void setcursor(in domstring cursor); attributes attribute type description browserdomwindow nsibrowserdomwindow the related nsibrowserdomwindow instance which provides access to yet another layer of utility functions by chrome script.
... it will be null for domwindows not corresponding to browsers.
...And 4 more matches

nsIDOMWindow2
dom/interfaces/base/nsidomwindow2.idlscriptable this interface is the primary interface for a dom window object.
... inherits from: nsidomwindow last changed in gecko 1.9 (firefox 3) because nsidomwindow is frozen, this interface was introduced in firefox 3 (gecko 1.9) to allow dom windows to take on new features.
... dom windows implement nsidomwindow2, which is a subclass of nsidomwindow.
...And 4 more matches

Break on DOM mutation - Firefox Developer Tools
a dom mutation breakpoint pauses the code when the dom node on which you have set the breakpoint is modified.
... you set a dom mutation breakpoint in the page inspector.
... navigate to the dom node in which you are interested and use the context menu to set the breakpoint.
...And 4 more matches

DOMException() - Web APIs
the domexception() constructor returns a domexception object with a specified message and name.
... syntax var domexception = new domexception(); var domexception = new domexception(message); var domexception = new domexception(message, name); parameters message optional a description of the exception.
... name optional returns a domstring that contains one of the strings associated with an error constant.
...And 4 more matches

DOMImplementation.createDocumentType() - Web APIs
the domimplementation.createdocumenttype() method returns a documenttype object which can either be used with domimplementation.createdocument upon document creation or can be put into the document via methods like node.insertbefore() or node.replacechild().
... syntax var doctype = document.implementation.createdocumenttype(qualifiednamestr, publicid, systemid); parameters qualifiednamestr is a domstring containing the qualified name, like svg:svg.
... publicid is a domstring containing the public identifier.
...And 4 more matches

DOMImplementation.hasFeature() - Web APIs
the domimplementation.hasfeature() method returns a boolean flag indicating if a given feature is supported.
... syntax const flag = document.implementation.hasfeature(feature, version); parameters feature a domstring representing the feature name.
... version a domstring representing the version of the specification defining the feature.
...And 4 more matches

DOMPointInit.w - Web APIs
the dompointinit dictionary's w property is used to specify the w perspective value of a point in space when either creating or serializing to json a dompoint or dompointreadonly object.
... syntax var dompointinit = { w: wperspective }; dompointinit.w = wperspective; var wperspective = dompointinit.w; value a double-precision floating-point value indicating the point's w perspective value.
... there are two methods which use dompointinit: the static function dompointreadonly.frompoint() takes an object that complies with dompointinit as its sole input parameter, to specify the coordinates and perspective value of the new point to be created.
...And 4 more matches

DOMPointInit.y - Web APIs
the dompointinit dictionary's y property is used to specify the y-coordinate of a point in 2d or 3d space when either creating or serializing to json a dompoint or dompointreadonly object.
... syntax var dompointinit = { y: ypos }; dompointinit.y = ypos; var ypos = dompointinit.y; value a double-precision floating-point value indicating the point's y-coordinate.
... if this property is missing when the dompointinit object is passed into frompoint(), the value is assumed to be 0 by default.
...And 4 more matches

DOMPointInit.z - Web APIs
the dompointinit dictionary's z property is used to specify the z-coordinate of a point in 2d or 3d space when either creating or serializing to json a dompoint or dompointreadonly object.
... syntax var dompointinit = { z: zpos }; dompointinit.z = zpos; var zpos = dompointinit.z; value a double-precision floating-point value indicating the point's z-coordinate.
... there are two methods which use dompointinit: the static function dompointreadonly.frompoint() takes an object that complies with dompointinit as its sole input parameter, to specify the coordinates and perspective value of the new point to be created.
...And 4 more matches

DOMPointReadOnly.fromPoint() - Web APIs
the static dompointreadonly method frompoint() creates and returns a new dompointreadonly object given a source point.
... the source point is specified as a dompointinit-compatible object, which includes both dompoint and dompointreadonly.
... you can also create a new dompointreadonly object using the new dompointreadonly() constructor.
...And 4 more matches

Events and the DOM - Web APIs
introduction this chapter describes the dom event model.
... the event interface itself is described, as well as the interfaces for event registration on nodes in the dom, and event listeners, and several longer examples that show how the various event interfaces relate to one another.
... there is an excellent diagram that clearly explains the three phases of event flow through the dom in the dom level 3 events draft.
...And 4 more matches

DOM Interfaces - Archive of obsolete content
the nsidomdocumentxbl interface the nsidomdocumentxbl interface contains methods for manipulating xbl bindings.
... the interface is implemented by all dom documents.
... idl definition interface nsidomdocumentxbl { nodelist getanonymousnodes(in element elt); element getanonymouselementbyattribute(in element elt, in domstring attrname, in domstring attrvalue); element getbindingparent(in node node); void loadbindingdocument(in domstring documenturl); }; methods getanonymousnodes the getanonymousnodes method retrieves the anonymous children of the specified element.
...And 3 more matches

DOM (Document Object Model) - MDN Web Docs Glossary: Definitions of Web-related terms
the dom (document object model) is an api that represents and interacts with any html or xml document.
... the dom is a document model loaded in the browser and representing the document as a node tree, where each node represents part of the document (e.g.
... the dom is one of the most-used apis on the web because it allows code running in a browser to access and interact with every node in the document.
...And 3 more matches

Second-level Domain - MDN Web Docs Glossary: Definitions of Web-related terms
an sld (second level domain) is the domain name that is located right before a tld.
... for example, in mozilla.org, mozilla is the second level domain of the .org tld.
... a domain name is not limited to a tld and an sld.
...And 3 more matches

FC_SeedRandom
name fc_seedrandom() - mix additional seed material into the random number generator.
... syntax ck_rv fc_seedrandom( ck_session_handle hsession, ck_byte_ptr pseed, ck_ulong usseedlen ); parameters hsession [in] session handle.
... description fc_seedrandom() mixes additional seed material into the token's random number generator.
...And 3 more matches

nsIDOMFontFaceList
layout/inspector/public/nsidomfontfacelist.idlscriptable a list of nsidomfontface objects, each representing a single font face.
... 1.0 66 introduced gecko 7.0 inherits from: nsisupports last changed in gecko 7.0 (firefox 7.0 / thunderbird 7.0 / seamonkey 2.4) method overview nsidomfontface item(in unsigned long index); attributes attribute type description length unsigned long the number of items in the list.
... methods item() returns the nsidomfontface object at the specified index into the list.
...And 3 more matches

nsIDOMHTMLAudioElement
the nsidomhtmlaudioelement interface is used to implement the html5 <audio> element.
... dom/interfaces/html/nsidomhtmlaudioelement.idlscriptable please add a summary to this article.
... last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) inherits from: nsidomhtmlmediaelement method overview unsigned long long mozcurrentsampleoffset(); void mozsetup(in pruint32 channels, in pruint32 rate); [implicit_jscontext] unsigned long mozwriteaudio(in jsval data); methods mozcurrentsampleoffset() non-standard this feature is non-standard and is not on a standards track.
...And 3 more matches

nsIDOMHTMLSourceElement
the nsidomhtmlsourceelement interface is the dom interface to the source child of the audio and video media elements in html.
... dom/interfaces/html/nsidomhtmlsourceelement.idlscriptable please add a summary to this article.
... last changed in gecko 1.9.1.2 inherits from: nsidomhtmlelement the source element allows authors to specify multiple media resources for media elements.
...And 3 more matches

nsIDOMMouseScrollEvent
dom/interfaces/events/nsidommousescrollevent.idlscriptable this interface represents a mouse scroll wheel event.
... 1.0 66 introduced gecko 1.9.1 inherits from: nsidommouseevent last changed in gecko 1.9.1 (firefox 3.5 / thunderbird 3.0 / seamonkey 2.0) gecko 1.9.2 note prior to gecko 1.9.2, this inherited from nsisupports instead of from nsidommouseevent.
... method overview void initmousescrollevent(in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in nsidomabstractview viewarg, in long detailarg, in long screenxarg, in long screenyarg, in long clientxarg, in long clientyarg, in boolean ctrlkeyarg, in boolean altkeyarg, in boolean shiftkeyarg, in boolean metakeyarg, in unsigned short buttonarg, in nsidomeventtarget relatedtargetarg, in long axis); attributes attribute type description axis long indicates which mouse wheel axis changed; this will be either horizontal_axis or vertical_axis.
...And 3 more matches

nsIDOMMozTouchEvent
the nsidommoztouchevent interface describes a raw touch event.
... dom/interfaces/events/nsidommoztouchevent.idlscriptable please add a summary to this article.
... last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) inherits from: nsidommouseevent method overview void initmoztouchevent(in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in nsidomabstractview viewarg, in long detailarg, in long screenxarg, in long screenyarg, in long clientxarg, in long clientyarg, in boolean ctrlkeyarg, in boolean altkeyarg, in boolean shiftkeyarg, in boolean metakeyarg, in unsigned short buttonarg, in n...
...And 3 more matches

nsIDOMStorageWindow
dom/interfaces/storage/nsidomstoragewindow.idlscriptable this interface provides access to a dom window's client side storage objects.
... all dom windows inherit from this interface.
... 1.0 66 introduced gecko 1.8.1 obsolete gecko 8.0 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) in gecko 8.0 this interface has been merged into nsidomwindow, and this interface has been removed.
...And 3 more matches

nsIDOMXPathExpression
dom/interfaces/xpath/nsidomxpathexpression.idlscriptable represents a compiled xpath query returned from nsidomxpathevaluator.createexpression or document.createexpression inherits from: nsisupports last changed in gecko 1.7 method overview nsisupports evaluate(in nsidomnode contextnode, in unsigned short type, in nsisupports result) methods evaluate() evaluate the xpath expression.
... nsisupports evaluate( in nsidomnode contextnode, in unsigned short type, in nsisupports result ); parameters contextnode a dom node to evaluate the xpath expression against.
... type a number that corresponds to one of the type constants of nsidomxpathresult.
...And 3 more matches

nsIDOMXULLabeledControlElement
dom/interfaces/xul/nsidomxullabeledcontrolel.idlscriptable this interface is used as a basis for labeled control elements in xul.
... inherits from: nsidomxulcontrolelement last changed in gecko 1.7 attributes attribute type description accesskey domstring this should be set to a character that is used as a shortcut key.
... command domstring this property reflects the element's command attribute.
...And 3 more matches

Dominators - Firefox Developer Tools
this article provides an introduction to the concepts of reachability, shallow versus retained size, and dominators, as they apply in garbage-collected languages like javascript.
... you can see the dominators in a page using the dominators view in the memory tool.
... dominators a related concept is that of the dominator.
...And 3 more matches

AnalyserNode.getFloatTimeDomainData() - Web APIs
the getfloattimedomaindata() method of the analysernode interface copies the current waveform, or time-domain, data into a float32array array passed into it.
... syntax var audioctx = new audiocontext(); var analyser = audioctx.createanalyser(); var dataarray = new float32array(analyser.fftsize); // float32array needs to be the same length as the fftsize analyser.getfloattimedomaindata(dataarray); // fill the float32array with data returned from getfloattimedomaindata() parameters array the float32array that the time domain data will be copied to.
... example the following example shows basic usage of an audiocontext to create an analysernode, then requestanimationframe and <canvas> to collect time domain data repeatedly and draw an "oscilloscope style" output of the current audio input.
...And 3 more matches

DOMImplementation.createDocument() - Web APIs
the domimplementation.createdocument() method creates and returns an xmldocument.
... syntax var doc = document.implementation.createdocument(namespaceuri, qualifiednamestr, documenttype); parameters namespaceuri is a domstring containing the namespace uri of the document to be created, or null if the document doesn't belong to one.
... qualifiednamestr is a domstring containing the qualified name, that is an optional prefix and colon plus the local root element name, of the document to be created.
...And 3 more matches

DOMMatrixReadOnly.scale() - Web APIs
the scale() method of the dommatrixreadonly interface creates a new matrix being the result of the original matrix with a scale transform applied.
... dommatrix.scale(scalex[, scaley][, scalez][, originx][, originy][, originz]) parameters scalex a multiplier for the scale value on the x-axis.
... return value returns a dommatrix containing a new matrix being the result of the matrix x and y dimensions being scaled by the given factor, centered on the origin given.
...And 3 more matches

DOMRectReadOnly() - Web APIs
the domrectreadonly() constructor creates a new domrectreadonly object.
... syntax const mydomrectreadonly = new domrectreadonly(x, y, width, height) parameters x the x coordinate of the domrectreadonly's origin.
... y the y coordinate of the domrectreadonly's origin.
...And 3 more matches

DOMTokenList.replace() - Web APIs
the replace() method of the domtokenlist interface replaces an existing token with a new token.
... syntax tokenlist.replace(oldtoken, newtoken); parameters oldtoken a domstring representing the token you want to replace.
... newtoken a domstring representing the token you want to replace oldtoken with.
...And 3 more matches

How to create a DOM tree - Web APIs
this page describes how to use the dom core api in javascript to create and modify dom objects.
... dynamically creating a dom tree consider the following xml document: <?xml version="1.0"?> <people> <person first-name="eric" middle-initial="h" last-name="jung"> <address street="321 south st" city="denver" state="co" country="usa"/> <address street="123 main st" city="arlington" state="ma" country="usa"/> </person> <person first-name="jed" last-name="brown"> <address street="321 north st" city="atlanta" state="ga" country="usa"/> <address street="123 west st" city="seattle" state="wa" country="usa"/> <address street="321 south avenue" city="denver" state="co" country="usa"/> </person> </people> the w3c dom api, supported by mozill...
...; var addresselem5 = doc.createelement("address"); addresselem5.setattribute("street", "321 south avenue"); addresselem5.setattribute("city", "denver"); addresselem5.setattribute("state", "co"); addresselem5.setattribute("country", "usa"); personelem2.appendchild(addresselem5); peopleelem.appendchild(personelem1); peopleelem.appendchild(personelem2); doc.appendchild(peopleelem); see also the dom chapter of the xul tutorial.
...And 3 more matches

<content>: The Shadow DOM Content Placeholder element (obsolete) - HTML: Hypertext Markup Language
the html <content> element—an obsolete part of the web components suite of technologies—was used inside of shadow dom as an insertion point, and wasn't meant to be used in ordinary html.
... it has now been replaced by the <slot> element, which creates a point in the dom at which a shadow dom can be inserted.
... dom interface htmlcontentelement attributes this element includes the global attributes.
...And 3 more matches

nsIDOMGeoPositionCallback
the nsidomgeopositioncallback interface is called when updated position information is available.
... you need to implement this interface to accept callbacks after using nsidomgeolocation.watchposition().
... dom/interfaces/geolocation/nsidomgeopositioncallback.idlscriptable please add a summary to this article.
...And 2 more matches

nsIDOMSerializer
content/base/public/nsidomserializer.idlscriptable this interface is really a placeholder till the w3c dom working group defines a mechanism for serializing dom nodes.
... an instance of this interface can be used to serialize a dom document or any dom subtree.
...to create an instance, use: var domserializer = components.classes["@mozilla.org/xmlextras/xmlserializer;1"] .createinstance(components.interfaces.nsidomserializer); method overview void serializetostream(in nsidomnode root, in nsioutputstream stream, in autf8string charset); astring serializetostring(in nsidomnode root); methods serializetostream() the subtree rooted by the specified element is serialized to a byte stream using the character set specified.
...And 2 more matches

AnalyserNode.getByteTimeDomainData() - Web APIs
the getbytetimedomaindata() method of the analysernode interface copies the current waveform, or time-domain, data into a uint8array (unsigned byte array) passed into it.
... syntax const audioctx = new audiocontext(); const analyser = audioctx.createanalyser(); const dataarray = new uint8array(analyser.fftsize); // uint8array should be the same length as the fftsize analyser.getbytetimedomaindata(dataarray); // fill the uint8array with data returned from getbytetimedomaindata() parameters array the uint8array that the time domain data will be copied to.
... return value void | none example the following example shows basic usage of an audiocontext to create an analysernode, then requestanimationframe and <canvas> to collect time domain data repeatedly and draw an "oscilloscope style" output of the current audio input.
...And 2 more matches

ConstrainDOMString - Web APIs
the constraindomstring dictionary is used to specify a constraint for a property whose value is a string.
... properties the value of a constraindomstring can be any of the following: a single domstring an array of domstring objects an object with one or both of the following properties: exact either a single domstring which must be the value of the property, or an array of domstring objects one of which must be the property's value.
... ideal either a single domstring or an arrray of domstrings specifying ideal values for the property.
...And 2 more matches

DOMHighResTimeStamp - Web APIs
the domhighrestimestamp type is a double and is used to store a time value in milliseconds.
... value the value of a domhighrestimestamp is a double-precision floating-point number which describes the number of milliseconds (accurate to within 5 microseconds if the device supports it) elapsed between two points in time.
... specifications specification status comment high resolution time level 2the definition of 'domhighrestimestamp' in that specification.
...And 2 more matches

DOMPointReadOnly.toJSON() - Web APIs
the dompointreadonly method tojson() returns a dompointinit object giving the json form of the point object.
... syntax pointjson = dompointreadonly.tojson(); parameters none.
... return value a new dompointinit object whose properties are set to the values in the dompoint or dompointreadonly on which the method was called.
...And 2 more matches

DOMTokenList.item() - Web APIs
the item() method of the domtokenlist interface returns an item in the list by its index.
... syntax tokenlist.item(index) parameters index a domstring representing the index of the item you want to return.
... return value a domstring representing the returned item.
...And 2 more matches

Document.domain - Web APIs
the domain property of the document interface gets/sets the domain portion of the origin of the current document, as used by the same origin policy.
... syntax const domainstring = document.domain document.domain = domainstring value the domain portion of the current document's origin.
... exceptions securityerror an attempt has been made to set domain under one of the following conditions: the document is inside a sandboxed <iframe> the document has no browsing context the document's effective domain is null the given value is not equal to the document's effective domain (or it is not a registerable domain suffix of it) the document-domain feature-policy is enabled examples getting the domain for the uri http://developer.mozilla.org/docs/web, this example sets currentdomain to the string "developer.mozilla.org".
...And 2 more matches

PerformanceResourceTiming.domainLookupEnd - Web APIs
the domainlookupend read-only property returns the timestamp immediately after the browser finishes the domain name lookup for the resource.
... if the user agent has the domain information in cache, domainlookupstart and domainlookupend represent the times when the user agent starts and ends the domain data retrieval from the cache.
... syntax resource.domainlookupend; return value a domhighrestimestamp representing the time immediately after the browser finishes the domain name lookup for the resource.
...And 2 more matches

DOM onevent handlers - Developer guides
the web platform provides several ways to be notified of dom events.
... registering onevent handlers the onevent handlers are properties on certain dom elements to manage how that element reacts to events.
...when the element is built from the html, the value of its onevent attributes are copied to the dom object that represents the element, so that accessing the attributes' values using javascript will get the value set in the html.
...And 2 more matches

PyDOM - Archive of obsolete content
introduction this is the documentation for the binding of python and the mozilla dom.
...note that you can stick arbitrary values on any dom object - this is what js calls 'expandos'.
... for example, let's say you have xul similar to pyxultest: top-level script code says something like: button = document.getelementbyid("some-button") button.foo = 0 and the button itself might look like: <button id="some-button" label="click here" onclick="event.target.foo += 1; print 'foo is now', event.target.foo"/> note that (a) we have stuck an arbitrary attribute on a dom element and (b) in all cases (e.g., event handler and top-level script), the dom node needs to be explicitly specified - the globals are the window itself.
...related topics pyxpcom: create and use xpcom components with python python-spidermonkey pydom samples: sample applications that use pydom pythonext: a firefox/xulrunner extension that can be used to install pydom ...

Domain name - MDN Web Docs Glossary: Definitions of Web-related terms
a domain name is a website's address on the internet.
... domain names are used in urls to identify to which server belong a specific webpage.
... the domain name consists of a hierarchial sequence of names (labels) separated by periods (dots) and ending with an extension.
... learn more general knowledge domain name on wikipedia understanding domain names ...

Random Number Generator - MDN Web Docs Glossary: Definitions of Web-related terms
a prng (pseudorandom number generator) is an algorithm that outputs numbers in a complex, seemingly unpredictable pattern.
... truly random numbers (say, from a radioactive source) are utterly unpredictable, whereas all algorithms are predictable, and a prng returns the same numbers when passed the same starting parameters or seed.
... learn more general knowledge pseudorandom number generator on wikipedia math.random(), a built-in javascript prng function.
... crypto.getrandomvalues(): this is intended to provide cryptographically secure numbers.

nsIDOMEventGroup
dom/interfaces/events/nsidomeventgroup.idlscriptable this interface is the interface implemented by all event targets in the document object model.
... inherits from: nsisupports last changed in gecko 1.7 method overview boolean issameeventgroup(in nsidomeventgroup other); methods issameeventgroup() reports whether or not another event group is the same as this one.
... boolean issameeventgroup( in nsidomeventgroup other ); parameters other instance of nsidomeventgroup object to compare against.
...see also document object model (dom) level 3 events specification ...

nsIDOMFile
the nsidomfile interface retrieves data from a file submitted to a form using the input type "file".
... content/base/public/nsidomfile.idlscriptable please add a summary to this article.
... last changed in gecko 1.9.2 (firefox 3.6 / thunderbird 3.1 / fennec 1.0) inherits from: nsisupports this interface implements the dom file object; for complete documentation, read up on that.
... see also nsidomfilelist nsidomfileexception datatransfer drag and drop ...

nsIDOMFileReader
the nsidomfilereader interface provides a way to read data from a file specified by an nsidomfile.
... content/base/public/nsidomfilereader.idlscriptable please add a summary to this article.
...to create an instance, use: var filereader = components.classes["@mozilla.org/files/filereader;1"].createinstance(components.interfaces.nsidomfilereader); this interface implements the dom filereader object; see that documentation for details.
... examples os.file for the main thread - example - save canvas to disk see also file api specification working draft nsidomfile nsidomfilelist nsidomfileexception ...

nsIDOMGeoPosition
dom/interfaces/geolocation/nsidomgeoposition.idlscriptable this interface describes a geographical location at a specific time.
... 1.0 66 introduced gecko 1.9.1 inherits from: nsisupports last changed in gecko 1.9.2 (firefox 3.6 / thunderbird 3.1 / fennec 1.0) attributes attribute type description address nsidomgeopositionaddress the address of the user's current location, if available.
... coords nsidomgeopositioncoords the user's current position information.
... timestamp domtimestamp the time at which the reading was taken.

nsIDOMGeoPositionErrorCallback
the nsidomgeopositionerrorcallback interface is used to represent an object that receives callback notifications when geolocation errors occur.
... dom/interfaces/geolocation/nsidomgeopositionerrorcallback.idlscriptable please add a summary to this article.
... last changed in gecko 1.9.1 (firefox 3.5 / thunderbird 3.0 / seamonkey 2.0) method overview void handleevent(in nsidomgeopositionerror position); methods handleevent() called to handle a geolocation error.
... void handleevent( in nsidomgeoposition position ); parameters position the error that occurred, as an nsidomgeopositionerror object.

nsIDOMHTMLTimeRanges
the nsidomhtmltimeranges interface represents a set of time ranges in media; it's primarily used by the nsidomhtmlmediaelement interface, and implements the dom timeranges interface.
... each time range represented by an nsidomhtmltimeranges object has an index number; you call the start() and end() methods to obtain the start and end times of each range, specifying the index number of the range to look up.
... dom/interfaces/html/nsidomhtmltimeranges.idlscriptable please add a summary to this article.
... last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) inherits from: nsisupports method overview float start(in unsigned long index); float end(in unsigned long index); attributes attribute type description length unsigned long the number of ranges represented by the nsidomhtmltimeranges object.

nsIDOMOrientationEvent
the nsidomorientationevent interface describes the event that can be delivered to dom windows, providing information from the device's accelerometer, allowing code to determine the orientation of the device.
... dom/interfaces/events/nsidomorientationevent.idlscriptable please add a summary to this article.
... last changed in gecko 1.9.2 (firefox 3.6 / thunderbird 3.1 / fennec 1.0) inherits from: nsidomevent method overview void initorientationevent(in domstring eventtypearg, in boolean canbubblearg, in boolean cancelablearg, in double x, in double y, in double z); attributes attribute type description x double the amount of tilt along the x axis.
...void initprogressevent( in domstring eventtypearg, in boolean canbubblearg, in boolean cancelablearg, in double x, in double y, in double z ); parameters eventtypearg the type of event.

nsIDOMProgressEvent
dom/interfaces/events/nsidomprogressevent.idlscriptable this interface represents the events sent with progress information while uploading data using the xmlhttprequest object.
... 1.0 66 introduced gecko 1.9.1 deprecated gecko 22 inherits from: nsidomevent last changed in gecko 1.9.1 (firefox 3.5 / thunderbird 3.0 / seamonkey 2.0) the nsidomprogressevent is used in the media elements (<video> and <audio>) to inform interested code of the progress of the media download.
... method overview void initprogressevent(in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in boolean lengthcomputablearg, in unsigned long long loadedarg, in unsigned long long totalarg); deprecated since gecko 22.0 attributes attribute type description lengthcomputable boolean specifies whether or not the total size of the transfer is known.
... void initprogressevent( in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in boolean lengthcomputablearg, in unsigned long long loadedarg, in unsigned long long totalarg ); parameters typearg the type of event.

nsIDOMSimpleGestureEvent
dom/interfaces/events/nsidomsimplegestureevent.idlscriptable this interface describes a mouse or trackpad gesture event.
... 1.0 66 introduced gecko 1.9.1 inherits from: nsidommouseevent last changed in gecko 1.9.1 (firefox 3.5 / thunderbird 3.0 / seamonkey 2.0) the nsidomsimplegestureevent interface is the datatype for all mozilla-specific simple gesture events in the document object model.
... method overview void initsimplegestureevent(in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in nsidomabstractview viewarg, in long detailarg, in long screenxarg, in long screenyarg, in long clientxarg, in long clientyarg, in boolean ctrlkeyarg, in boolean altkeyarg, in boolean shiftkeyarg, in boolean metakeyarg, in unsigned short buttonarg, in nsidomeventtarget relatedtargetarg, in unsigned long directionarg, in double de...
... void initsimplegestureevent( in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in nsidomabstractview viewarg, in long detailarg, in long screenxarg, in long screenyarg, in long clientxarg, in long clientyarg, in boolean ctrlkeyarg, in boolean altkeyarg, in boolean shiftkeyarg, in boolean metakeyarg, in unsigned short buttonarg, in nsidomeventtarget relatedtargetarg, in unsigned l...

nsIDOMStorageList
dom/interfaces/storage/nsidomstoragelist.idlscriptable this interface is used to access the contextual storage areas used by globalstorage by domain.
... 1.0 66 introduced gecko 1.8 inherits from: nsisupports last changed in gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) method overview nsidomstorage nameditem(in domstring domain); methods nameditem() called when the list of available access points changes.
... nsidomstorage nameditem( in domstring domain ); parameters domain the name of the domain for whom to return the storage object.
... return value the nsidomstorage object representing the data store for the specified domain.see also dom storage structured client-side storage (html 5 specification) nsidomwindow ...

nsIDOMXULSelectControlItemElement
dom/interfaces/xul/nsidomxulselectcntrlitemel.idlscriptable please add a summary to this article.
... inherits from: nsidomxulelement last changed in gecko 1.7 attributes attribute type description accesskey domstring command domstring control nsidomxulselectcontrolelement read only.
... crop domstring disabled boolean image domstring label domstring selected boolean read only.
... value domstring ...

nsIRandomGenerator
netwerk/base/public/nsirandomgenerator.idlscriptable interface used to generate random data.
... 1.0 66 introduced gecko 1.9 inherits from: nsisupports last changed in gecko 1.9 (firefox 3) method overview void generaterandombytes(in unsigned long alength, [retval, array, size_is(alength)] out octet abuffer); methods generaterandombytes() generates the specified amount of random bytes.
... void generaterandombytes( in unsigned long alength, [retval, array, size_is(alength)] out octet abuffer ); parameters alength the length of the data to generate.
... abuffer a buffer that contains random bytes of size alength.

Highlight and inspect DOM nodes - Firefox Developer Tools
if you hover over a dom node in the watch expresions, it will be highlighted in the page.
... when you are working with dom notes in the debugger, you can easily highlight the node on the page or view it in the page inspector.
... a dom object in the watch expressions area, for example, includes a target.
... also, when you view the details of a dom node in the code panel, objects that you can highlight in the list will also have a target next to them.

DOMImplementationList - Web APIs
returned by domimplementationsource.getdomimplementationlist() and domimplementationregistry.getdomimplementationlist() .
... properties domimplementationlist.length read only returns an integer.
... methods domimplementationlist.item() returns the pos item.
... specifications specification status comment document object model (dom) level 3 core specificationthe definition of 'domimplementationlist' in that specification.

DOMMatrix() - Web APIs
the dommatrix constructor creates a new dommatrix object which represents 4x4 matrices, suitable for 2d and 3d operations..
... syntax var dommatrix = new dommatrix([init]) parameters init optional a string containing a sequence of numbers or an array of numbers specifying the matrix you want to create, or a css transform string.
... example this example creates a dommatrix to use as an argument for calling point.matrixtransform().
... var point = new dompoint(5, 4); var scalex = 2; var scaley = 3; var translatex = 12; var translatey = 8; var angle = math.pi / 2; var matrix = new dommatrix([ math.sin(angle) * scalex, math.cos(angle) * scalex, -math.sin(angle) * scaley, math.cos(angle) * scaley, translatex, translatey ]); var transformedpoint = point.matrixtransform(matrix); specifications specification status comment geometry interfaces module level 1the definition of 'dommatrix' in that specification.

DOMMatrixReadOnly.translate() - Web APIs
the translate() method of the dommatrixreadonly interface creates a new matrix being the result of the original matrix with a translation applied.
... dommatrix.translate(translatex, translatey[, translatez]) parameters translatex a number representing the abscissa (x-coordinate) of the translating vector.
... return value returns a dommatrix containing a new matrix being the result of the matrix being translated by the given vector.
... const matrix = new dommatrixreadonly().translate(25, 25); document.queryselector('#transformed').setattribute('transform', matrix.tostring()); screenshotlive sample specifications specification status comment geometry interfaces module level 1the definition of 'dommatrixreadonly.translate()' in that specification.

DOMPointInit.x - Web APIs
the dompointinit dictionary's x property is used to specify the x component of a point in 2d or 3d space when either creating or serializing a dompoint or dompointreadonly.
... syntax var dompointinit = { x: xpos }; dompointinit.x = xpos; var xpos = dompointinit.x; value a double-precision floating-point value indicating the point's x coordinate.
... if this property is missing when the dompointinit object is passed into frompoint(), the value is assumed to be 0 by default.
... dompointinit is used as an input when calling either dompointreadonly.frompoint() or dompoint.frompoint(), and is returned by the dompointreadonly.tojson() and dompoint.tojson() methods.

DOMPointReadOnly() - Web APIs
the dompointreadonly() constructor returns a new dompointreadonly object representing a point in 2d or 3d space, optionally with perspective, whose values cannot be altered by script code.
... syntax point = new dompointreadonly(x, y, z, w); parameters x optional the value of the horizontal coordinate, x, as a floating point number.
... return value a new dompointreadonly object representing the specified location in space.
... var point2d = new dompointreadonly(50, 25); var point3d = new dompointreadonly(50, 0, 10); var perspectivepoint3d = new dompointreadonly(50, 50, 25, 0.5); specifications specification status comment geometry interfaces module level 1the definition of 'dompointreadonly' in that specification.

DOMString - Web APIs
domstring is a utf-16 string.
... as javascript already uses such strings, domstring is mapped directly to a string.
... passing null to a method or parameter accepting a domstring typically stringifies to "null".
... specifications specification status comment web idlthe definition of 'domstring' in that specification.

DOMStringList - Web APIs
a type returned by some apis which contains a list of domstring (strings).
... properties domstringlist.length read only returns the length of the list.
... methods domstringlist.item() returns a domstring.
... domstringlist.contains() returns boolean indicating if the given string is in the list specifications specification status comment html living standardthe definition of 'domstringlist' in that specification.

DOMTokenList.add() - Web APIs
the add() method of the domtokenlist interface adds the given token to the list.
... syntax tokenlist.add(token1[, token2[, ...tokenn]]); parameters tokenn a domstring representing the token (or tokens) to add to the tokenlist.
... return value undefined examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
... first, the html: <span class="a b c"></span> now the javascript: let span = document.queryselector("span"); let classes = span.classlist; classes.add("d"); span.textcontent = classes; the output looks like this: you can add multiple tokens as well: span.classlist.add("d", "e", "f"); specifications specification status comment domthe definition of 'add()' in that specification.

DOMTokenList.contains() - Web APIs
the contains() method of the domtokenlist interface returns a boolean — true if the underlying list contains the given token, otherwise false.
... syntax tokenlist.contains(token); parameters token a domstring representing the token you want to check for the existance of in the list.
... examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
...<span class="a b c"></span> now the javascript: let span = document.queryselector("span"); let classes = span.classlist; let result = classes.contains("c"); if (result) { span.textcontent = "the classlist contains 'c'"; } else { span.textcontent = "the classlist does not contain 'c'"; } the output looks like this: specifications specification status comment domthe definition of 'contains()' in that specification.

DOMTokenList.entries() - Web APIs
the domtokenlist.entries() method returns an iterator allowing you to go through all key/value pairs contained in this object.
... the values are domstring objects, each representing a single token.
... examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
... first, the html: <span class="a b c"></span> now the javascript: let span = document.queryselector("span"); let classes = span.classlist; let iterator = classes.entries(); for (let value of iterator) { span.textcontent += value + ' ++ '; } the output looks like this: specifications specification status comment domthe definition of 'entries() (as iterable<node>)' in that specification.

DOMTokenList.remove() - Web APIs
the remove() method of the domtokenlist interface removes the specified tokens from the list.
... syntax tokenlist.remove(token1[, token2[, ...tokenn]]); parameters tokenn a domstring representing the token you want to remove from the list.
... return value undefined examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
...the order you supply the tokens doesn't have to match the order they appear in the list: let span2 = document.getelementsbytagname("span")[0] let classes2 = span.classlist; classes2.remove("c", "b"); span2.textcontent = classes; specifications specification status comment domthe definition of 'remove()' in that specification.

DOMTokenList.toggle() - Web APIs
the toggle() method of the domtokenlist interface removes a given token from the list and returns false.
... syntax tokenlist.toggle(token [, force]); parameters token a domstring representing the token you want to toggle.
... examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
...("span"); let classes = span.classlist; span.addeventlistener('click', function() { let result = classes.toggle("c"); if (result) { span.textcontent = `'c' added; classlist is now "${classes}".`; } else { span.textcontent = `'c' removed; classlist is now "${classes}".`; } }) the output looks like this: specifications specification status comment domthe definition of 'toggle()' in that specification.

DOMTokenList.values() - Web APIs
the values() method of the domtokenlist interface returns an iterator allowing developers to go through all values contained in the domtokenlist.
... the individual values are domstring objects.
... examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
... first, the html: <span class="a b c"></span> now the javascript: var span = document.queryselector("span"); var classes = span.classlist; var iterator = classes.values(); for(var value of iterator) { span.textcontent += value + ' ++ '; } the output looks like this: specifications specification status comment domthe definition of 'values() (as iterable<node>)' in that specification.

DOMUserData - Web APIs
domuserdata refers to application data.
...it is returned or used as an argument by node.setuserdata(), node.getuserdata(), used as the third argument to handle() on userdatahandler, and is used or returned by various domconfiguration methods.
... domuserdata is not persisted nor serialized and will not be present after the application has restarted or after a crash.
... specifications specification status comment document object model (dom) level 3 core specificationthe definition of 'domuserdata' in that specification.

PerformanceNavigationTiming.domComplete - Web APIs
the domcomplete read-only property returns a timestamp representing the time value equal to the time immediately before the user agent sets the current document readiness of the current document to complete.
... syntax perfentry.domcomplete; return value a timestamp representing a time value equal to the time immediately before the user agent sets the current document readiness of the current document to complete.
... function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); console.log("dom complete = " + p.domcomplete); console.log("dom interactive = " + p.interactive); // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other prop...
...erties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'domcomplete' in that specification.

PerformanceNavigationTiming.domContentLoadedEventEnd - Web APIs
the domcontentloadedeventend read-only property returns a timestamp representing the time value equal to the time immediately after the current document's domcontentloaded event completes.
... syntax perfentry.domcontentloadedeventend; return value a timestamp representing the time value equal to the time immediately after the current document's domcontentloaded event completes.
... function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); console.log("dom complete = " + p.domcomplete); console.log("dom interactive = " + p.dominteractive); // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other p...
...roperties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'domcontentloadedeventend' in that specification.

PerformanceNavigationTiming.domContentLoadedEventStart - Web APIs
the domcontentloadedeventstart read-only property returns a timestamp representing the time value equal to the time immediately before the user agent fires the domcontentloaded event at the current document.
... syntax perfentry.domcontentloadedeventstart; return value a timestamp representing the time value equal to the time immediately before the user agent fires the domcontentloaded event at the current document.
... function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); console.log("dom complete = " + p.domcomplete); console.log("dom interactive = " + p.interactive); // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other prop...
...erties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'domcontentloadedeventstart' in that specification.

PerformanceNavigationTiming.domInteractive - Web APIs
the dominteractive read-only property returns a timestamp representing the time value equal to the time immediately before the user agent sets the current document readiness of the current document to interactive.
... syntax perfentry.dominteractive; return value a timestamp representing the time value equal to the time immediately before the user agent sets the current document readiness of the current document to interactive.
... function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); console.log("dom complete = " + p.domcomplete); console.log("dom interactive = " + p.dominteractive); // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other p...
...roperties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'dominteractive' in that specification.

PerformanceResourceTiming.domainLookupStart - Web APIs
the domainlookupstart read-only property returns the timestamp immediately before the browser starts the domain name lookup for the resource.
... syntax resource.domainlookupstart; return value a domhighrestimestamp immediately before the browser starts the domain name lookup for the resource.
...entries() { // use getentriesbytype() to just get the "resource" events var p = performance.getentriesbytype("resource"); for (var i=0; i < p.length; i++) { print_start_and_end_properties(p[i]); } } function print_start_and_end_properties(perfentry) { // print timestamps of the performanceentry *start and *end properties properties = ["connectstart", "connectend", "domainlookupstart", "domainlookupend", "fetchstart", "redirectstart", "redirectend", "requeststart", "responsestart", "responseend", "secureconnectionstart"]; for (var i=0; i < properties.length; i++) { // check each property var supported = properties[i] in perfentry; if (supported) { var value = per...
..." + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'domainlookupstart' in that specification.

Window: DOMContentLoaded event - Web APIs
the domcontentloaded event fires when the initial html document has been completely loaded and parsed, without waiting for stylesheets, images, and subframes to finish loading.
...for full details on this event please see the page on the document: domcontentloaded event.
...it is a common mistake to use load where domcontentloaded would be more appropriate.
... examples basic usage window.addeventlistener('domcontentloaded', (event) => { console.log('dom fully loaded and parsed'); }); specifications specification status html living standard living standard ...

XDomainRequest.onprogress - Web APIs
this method is called periodically as an event handler for progress events on xdomainrequests, so that code can monitor progress while loading content.
... note: while handling this event, you can look at xdomainrequest.responsetext to get the response so far.
... once loading is complete, the xdomainrequest.onload event handler gets called.
... example var xdr = new xdomainrequest(); xdr.open("post", "http://example.com/api/method"); xdr.onprogress = function(){ //handle partial response with xdr.responsetext } xdr.onload = function(){ //handle response with xdr.responsetext } xdr.send("param1=value1&param2=value2"); specification not part of any specification.

Feature-Policy: document-domain - HTTP
the http feature-policy header document-domain directive controls whether the current document is allowed to set document.domain.
... when this policy is enabled, attempting to set document.domain will fail and cause a securityerror domexception to be be thrown.
... syntax feature-policy: document-domain <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
... specifications specification status comment html living standardthe definition of 'document-domain' in that specification.

DOMSubtreeModified - Archive of obsolete content
example the following code will display the time of last dom change on the title bar of the page.
... this event has been deprecated in favor of the mutation observer api this event can cause infinite loops if you decide to change the dom inside the event handler, hence it has been disabled in a number of browsers (see domattrmodified and domsubtreemodified events are no longer fired when style attribute is changed via cssom for example).
... document.body.addeventlistener('domsubtreemodified', function () { document.title = 'dom changed at ' + new date(); }, false); ...

DOMMenuItemActive - Archive of obsolete content
the dommenuitemactive event is executed when a <menu> or a <menuitem> has been hovered or highlighted.
... general info specification xul interface event bubbles yes cancelable yes target element default action none properties property type description target read only eventtarget the event target (the topmost target in the dom tree).
... type read only domstring the type of event.

DOMMenuItemInactive - Archive of obsolete content
the dommenuiteminactive event is executed when a <menu> or a <menuitem> in no longer hovered or highlighted.
... general info specification xul interface event bubbles yes cancelable yes target element default action none properties property type description target read only eventtarget the event target (the topmost target in the dom tree).
... type read only domstring the type of event.

Randomizing gameplay - Game development
to fix this and improve playability we should make the rebound angles more random, and in this article we'll look at how.
... making rebounds more random we can change the ball's velocity depending on the exact spot it hits the paddle, by modifying the x velocity each time the ballhitpaddle() function is run using a line along the lines of the below.
...it's not completely random of course, but it does make the gameplay a bit more unpredictable and therefore more interesting.

Dominator - MDN Web Docs Glossary: Definitions of Web-related terms
in graph theory, node a dominates node b if every path from the root node to b passes through a.
...so objects that a dominates contribute to the retained size of a: that is, the total amount of memory that could be freed if a itself were freed.
... learn more general knowledge dominator on wikipedia technical reference dominators garbage collection ...

nsIDOMFileException
the nsidomfileexception interface represents exceptions that can be raised by calls to the methods in the nsidomfile interface.
... content/base/public/nsidomfileexception.idlscriptable please add a summary to this article.
... see also nsidomfile nsidomfilelist nsidomfilereader ...

nsIDOMGeoPositionError
the nsidomgeopositionerror interface represents an error that occurred while performing geolocation operations.
... dom/interfaces/geolocation/nsidomgeopositionerror.idlscriptable please add a summary to this article.
... message domstring human readable error message.

nsIDOMJSWindow
one of the interfaces implemented by the window dom object.
... this is only a magic interface to provide the js implementation of a dom window and it should never be used by embedders, the ordinary dom documentation should cover the rest.
... the interface is defined in dom/interfaces/base/nsidomjswindow.idl.

nsIDOMMozNetworkStats
dom/network/interfaces/nsidomnetworkstats.idlscriptable interface of the network stats object.
...to create an instance, use: var networkstatsmanager = components.classes["@mozilla.org/networkstats;1"] .createinstance(components.interfaces.nsidomnetworkstats); attributes attribute type description connectiontype domstring connection type of the stats.
... data nsidommoznetworkstatsdata array stats samples.

nsIDOMNavigatorDesktopNotification
dom/interfaces/notification/nsidomnavigatordesktopnotification.idlscriptable property that extends the navigator object.
...attributes attribute type description moznotification nsidomdesktopnotificationcenter read only.
... see also nsidomdesktopnotificationcenter ...

nsIDOMStorageItem
dom/interfaces/storage/nsidomstorageitem.idlscriptable this interface represents an object in dom storage.
... value domstring the value associated with the item.
... see also dom storage structured client-side storage (html 5 specification) nsidomstorage nsidomstorage2 ...

nsIDOMUserDataHandler
dom/interfaces/core/nsidomuserdatahandler.idlscriptable the callback function for the setuserdata method.
... 1.0 66 introduced gecko 1.5 inherits from: nsisupports last changed in gecko 1.9 (firefox 3) method overview void handle(in unsigned short operation, in domstring key, in nsivariant data, in nsidomnode src, in nsidomnode dst); constants constant value description node_cloned 1 the node was cloned.
...void handle( in unsigned short operation, in domstring key, in nsivariant data, in nsidomnode src, in nsidomnode dst ); parameters operation one of the node_* operation type constants from the above table.

nsIDOMXULSelectControlElement
dom/interfaces/xul/nsidomxulselectcntrlel.idlscriptable please add a summary to this article.
... inherits from: nsidomxulcontrolelement last changed in gecko 1.9 (firefox 3) method overview nsidomxulselectcontrolitemelement appenditem(in domstring label, in domstring value); long getindexofitem(in nsidomxulselectcontrolitemelement item); nsidomxulselectcontrolitemelement getitematindex(in long index); nsidomxulselectcontrolitemelement insertitemat(in long index, in domstring label, in domstring value); nsidomxulselectcontrolitemelement removeitemat(in long index); attributes attribute type description itemcount unsigned long read only.
... selectedindex long selecteditem nsidomxulselectcontrolitemelement value domstring methods appenditem() nsidomxulselectcontrolitemelement appenditem( in domstring label, in domstring value ); parameters label value return value getindexofitem() long getindexofitem( in nsidomxulselectcontrolitemelement item ); parameters item return value getitematindex() nsidomxulselectcontrolitemelement getitematindex( in long index ); parameters index return value insertitemat() nsidomxulselectcontrolitemelement insertitemat( in long index, in domstring label, in domstring value ); parameters index label value return value removeitemat() nsidomxulselectcontrolitemelement removeitemat( in long index ); parameters index return value ...

Blocking By Domain - Plugins
rather than block plugins entirely, firefox is limiting the impact of plugins by blocking certain domains from using plugins.
... criteria in order to improve firefox security and performance, there are two major categories of sites mozilla may choose to add to plugin domain blocking: sites commonly embedded in a 3rd-party context web sites which are commonly embedded into other sites using iframes can have a large impact on browser security and also cause many sites to show plugin activation prompts.
... any concerns or questions about the plugin block lists should be directed to plugin-blocking-by-domain@mozilla.com.

DOMError - Web APIs
the domerror interface describes an error object that contains an error name.
... properties domerror.name read only returns a domstring representing one of the error type names (see below).
... domerror.message read only returns a domstring representing a message or description associated with the given error type name.

DOMException.code - Web APIs
the code read-only property of the domexception interface returns a short that contains one of the error code constants, or 0 if none match.
...new dom exceptions don't use this anymore: they put this info in the domexception.name attribute.
... syntax var domexceptioncode = domexceptioninstance.code; value a short number.

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.
... view live examples the returned document is pre-constructed with the following html: <!doctype html> <html> <head> <title>title</title> </head> <body> </body> </html> specifications specification status comment domthe definition of 'domimplementation.createhtmldocument' in that specification.

DOMMatrixReadOnly() - Web APIs
the dommatrixreadonly constructor creates a new dommatrixreadonly object which represents 4x4 matrices, suitable for 2d and 3d operations.
... syntax var dommatrixreadonly = new dommatrixreadonly([init]) parameters init optional either a string containing a sequence of numbers or an array of integers specifying the matrix you want to create.
... specifications specification status comment geometry interfaces module level 1the definition of 'dommatrixreadonly' in that specification.

DOMMatrixReadOnly.flipX() - Web APIs
the flipx() method of the dommatrixreadonly interface creates a new matrix being the result of the original matrix flipped about the x-axis.
... syntax dommatrix.flipx() return value returns a dommatrix containing a new matrix being the result of the original matrix flipped about the x-axis, which is equivalent to multiplying the matrix by dommatrix(-1, 0, 0, 1, 0, 0).
... const flipped = document.getelementbyid('flipped'); const matrix = new dommatrixreadonly(); const flippedmatrix = matrix.flipx(); flipped.setattribute('transform', flippedmatrix.tostring()); screenshotlive sample specifications specification status comment geometry interfaces module level 1the definition of 'dommatrixreadonly.flipx()' in that specification.

DOMParser() - Web APIs
the domparser() constructor creates a new domparser object.
... syntax var parser = new domparser(); parameters none.
... return value a new domparser object.

DOMPointReadOnly.w - Web APIs
the dompointreadonly interface's w property holds the point's perspective value, w, for a read-only point in space.
... if your script needs to be able to change the value of this property, you should instead use the dompoint object.
... syntax const perspective = somedompointreadonly.w value a double-precision floating-point value indicating the w perspective value for the point.

DOMPointReadOnly.x - Web APIs
the dompointreadonly interface's x property holds the horizontal coordinate, x, for a read-only point in space.
... this property cannot be changed by javascript code in this read-only version of the dompoint object.
... syntax const xpos = somedompointreadonly.x; value a double-precision floating-point value indicating the x coordinate's value for the point.

DOMPointReadOnly.y - Web APIs
the dompointreadonly interface's y property holds the vertical coordinate, y, for a read-only point in space.
... if your script needs to be able to change the value of this property, you should instead use the dompoint object.
... syntax const ypos = somedompointreadonly.y; value a double-precision floating-point value indicating the y coordinate's value for the point.

DOMPointReadOnly.z - Web APIs
the dompointreadonly interface's z property holds the depth coordinate, z, for a read-only point in space.
... if your script needs to be able to change the value of this property, you should instead use the dompoint object.
... syntax const zpos = somedompointreadonly.z; value a double-precision floating-point value indicating the z coordinate's value for the point.

DOMRectReadOnly.fromRect() - Web APIs
the fromrect() property of the domrectreadonly interface creates a new domrectreadonly object with a given location and dimensions.
... syntax var domrect = domrectreadonly.fromrect(rectangle) parameters rectangle optional an object specifying the location and dimensions of a rectangle.
... return value an instance of domrect.

DOMTokenList.forEach() - Web APIs
the foreach() method of the domtokenlist interface calls the callback given in parameter once for each value pair in the list, in insertion order.
... example in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
... html <span class="a b c"></span> javascript let span = document.queryselector("span"); let classes = span.classlist; let iterator = classes.values(); classes.foreach( function(value, key, listobj) { span.textcontent += `${value} ${key}/${this} ++ `; }, "arg" ); result polyfill this polyfill adds compatibility to all browsers supporting es5: if (window.domtokenlist && !domtokenlist.prototype.foreach) { domtokenlist.prototype.foreach = function (callback, thisarg) { thisarg = thisarg || window; for (var i = 0; i < this.length; i++) { callback.call(thisarg, this[i], i, this); } }; } specifications specification status comment domthe definition of 'foreach() (as iterable<node>)' in that specificatio...

DOMTokenList.keys() - Web APIs
the keys() method of the domtokenlist interface returns an iterator allowing to go through all keys contained in this object.
... examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist.
... first, the html: <span class="a b c"></span> now the javascript: var span = document.queryselector("span"); var classes = span.classlist; var iterator = classes.keys(); for(var value of iterator) { span.textcontent += value + ' ++ '; } the output looks like this: specifications specification status comment domthe definition of 'keys() (as iterable<node>)' in that specification.

DOMTokenList.length - Web APIs
the length read-only property of the domtokenlist interface is an integer representing the number of objects stored in the object.
... examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist, then write the length of the list to the <span>'s node.textcontent.
... first, the html: <span class="a b c"></span> now the javascript: let span = document.queryselector("span"); let classes = span.classlist; let length = classes.length; span.textcontent = `classlist length = ${length}`; the output looks like this: specifications specification status comment domthe definition of 'length' in that specification.

DOMTokenList.value - Web APIs
the value property of the domtokenlist interface is a stringifier that returns the value of the list as a domstring, or clears and sets the list to the given value.
... syntax tokenlist.value; value a domstring examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist, then write the value of the list to the <span>'s node.textcontent.
... first, the html: <span class="a b c"></span> now the javascript: let span = document.queryselector("span"); let classes = span.classlist; span.textcontent = classes.value; the output looks like this: specifications specification status comment domthe definition of 'value' in that specification.

Document.domConfig - Web APIs
note: this has never been implemented in mozilla, and has been removed from the dom specification.
... this should return the domconfiguration for the document.
... specification http://www.w3.org/tr/dom-level-3-cor...ent3-domconfig ...

Locating DOM elements using selectors - Web APIs
the selectors api provides methods that make it quick and easy to retrieve element nodes from the dom by matching against a set of selectors.
... note: the nodelist returned by queryselectorall() is not live, which means that changes in the dom are not reflected in the collection.
... this is different from other dom querying methods that return live node lists.

Element: DOMActivate event - Web APIs
the domactivate event is fired at an element when it becomes active, such as when it is clicked on using the mouse or a keypress is used to navigate to it.
... bubbles yes cancelable yes interface mouseevent examples <svg xmlns="http://www.w3.org/2000/svg" version="1.2" baseprofile="tiny" xmlns:ev="http://www.w3.org/2001/xml-events" width="6cm" height="5cm" viewbox="0 0 600 500"> <desc>example: invoke an ecmascript function from a domactivate event</desc> <!-- ecmascript to change the radius --> <script type="application/ecmascript"><![cdata[ function change(evt) { var circle = evt.target; var currentradius = circle.getfloattrait("r"); if (currentradius == 100) circle.setfloattrait("r", currentradius * 2); else circle.setfloattrait("r", currentradius * 0.5); } ]]></script> <!-- act on each domactivate event --> <circle cx="300" cy="...
...225" r="100" fill="red"> <handler type="application/ecmascript" ev:event="domactivate"> change(evt); </handler> </circle> <text x="300" y="480" font-family="verdana" font-size="35" text-anchor="middle"> activate the circle to change its size </text> </svg> specifications specification status ui eventsthe definition of 'domactivate' in that specification.

Microdata DOM API - Web APIs
each item is represented in the dom by the element on which the relevant itemscope attribute is found.
...t.createtextnode(items[item].properties.names[name])); inner.appendchild(propli); } itemli.appendchild(inner); outer.appendchild(itemli); } document.body.appendchild(outer); if faced with the following from an earlier example: <section itemscope itemtype="http://example.org/animals#cat"> <h1 itemprop="name http://example.com/fn">hedral</h1> <p itemprop="desc">hedral is a male american domestic shorthair, with a fluffy <span itemprop="http://example.com/color">black</span> fur with <span itemprop="http://example.com/color">white</span> paws and belly.</p> <img itemprop="img" src="hedral.jpeg" alt="" title="hedral, age 18 months"> </section> ...it would result in the following output: name http://example.com/fn desc http://example.com/color img (the duplicate occurrence of "http:/...
...nameditem(domstring name); // shadows inherited nameditem() readonly attribute domstring[] names; }; typedef sequence<any> propertyvaluearray; interface propertynodelist : nodelist { propertyvaluearray getvalues(); }; collection .

XDomainRequest.onerror - Web APIs
an event handler which is called when an xdomainrequest encounters an error.
... note: there is no way to determine the cause of the error from the xdomainrequest interface.
... example var xdr = new xdomainrequest(); xdr.open("post", "http://example.com/api/method"); xdr.onerror = function(){ //handle error } xdr.onload = function(){ //handle response with xdr.responsetext } xdr.send("param1=value1&param2=value2"); specification not part of any specification.

XDomainRequest.onload - Web APIs
an event handler for when an xdomainrequest has finished receiving the response from the server.
... you can find the entire server response in the xdomainrequest.responsetext property.
... syntax xdr.onload = funcref; example var xdr = new xdomainrequest(); xdr.open("post", "http://example.com/api/method"); xdr.onload = function(){ //handle response with xdr.responsetext } xdr.send("param1=value1&param2=value2"); specification not part of any specification.

browser.dom.window.dump.file
browser.dom.window.dump.file redirects the ouput of window.dump() calls to a file whose address is specified in this preference if browser.dom.window.dump.enabled is set to true.
... related browser.dom.window.dump.enabled ...

Random Number Generator
this chapter describes the nspr random number generator.
... random number generator function pr_getrandomnoise - produces a random value for use as a seed value for another random number generator.

nsIDOMClientRect
dom/interfaces/base/nsidomclientrect.idlscriptable represents a rectangular box.
... see also cssom view module : the clientrect interfacewd this object was renamed a few times: initial name was textrectangle, then clientrect, then domrect.

nsIDOMFileError
the nsidomfileerror interface describes errors that occur while using the dom file api.
... it implements the dom fileerror object; for details, please read that article.

nsIDOMFileList
the nsidomfilelist interface contains a list of nsidomfile objects describing the files selected by the user for a "file" input field on a web form.
... this interface implements the dom filelist object.

nsIDOMGeoPositionCoords
the nsidomgeopositioncoords interface describes a geographical location.
... dom/interfaces/geolocation/nsidomgeopositioncoords.idlscriptable please add a summary to this article.

nsIDOMGeoPositionOptions
the nsidomgeopositionoptions interface is used to specify options for geolocation operations.
... dom/interfaces/geolocation/nsidomgeopositionoptions.idlscriptable please add a summary to this article.

nsIDOMGlobalPropertyInitializer
dom/interfaces/base/nsidomglobalpropertyinitializer.idlscriptable an initializer for global properties that lets them know about the window they're being attached to.
...method overview jsval init(in nsidomwindow window); methods init() jsval init( in nsidomwindow window ); parameters window the window to which the global property is being attached.

nsIDOMHTMLMediaElement
dom/interfaces/html/nsidomhtmlmediaelement.idlscriptable the basis for the nsidomhtmlaudioelement and nsidomhtmlvideoelement interfaces, which in turn implement the <audio> and <video> html5 elements.
... 1.0 67 introduced gecko 1.9.1 inherits from: nsidomhtmlelement last changed in gecko 1.1 the nsidomhtmlmediaelement interface implements the dom htmlmediaelement interface.

nsIDOMXPathException
dom/interfaces/xpath/nsidomxpathexception.idlscriptable describes an exception resulting from xpath operations.
... see also introduction to using xpath in javascript document object model (dom) level 3 xpath specification nsidomxpathevaluator document.evaluate nsidomxpathresult ...

nsIDOMXULControlElement
dom/interfaces/xul/nsidomxulcontrolelement.idlscriptable provides additional attributes specific to control elements.
... 66 introduced gecko 1.0 inherits from: nsidomxulelement last changed in gecko 1.0 attributes attribute type description disabled boolean indicates whether the element is disabled or not.

DOM allocation example - Firefox Developer Tools
you can try out the site at https://mdn.github.io/performance-scenarios/dom-allocs/alloc.html.
... it just contains a script that creates a large number of dom nodes: var toolbarbuttoncount = 20; var toolbarcount = 200; function getrandomint(min, max) { return math.floor(math.random() * (max - min + 1)) + min; } function createtoolbarbutton() { var toolbarbutton = document.createelement("span"); toolbarbutton.classlist.add("toolbarbutton"); // stop spidermonkey from sharing instances toolbarbutton[getrandomint(0,5000)] = "foo"; return toolbarbutton; } function createtoolbar() { var toolbar = document.createelement("div"); // stop spidermonkey from sharing instances toolbar[getrandomint(0,5000)] = "foo"; for (var i = 0; i < toolbarbuttoncount; i++) { var toolbarbutton = createtoolbarbutton(); toolbar.appendchild(toolbarbutton); } return toolbar; } fu...

DOMConfiguration - Web APIs
note: this interface has never been supported in gecko, and has been removed from the dom specification.
... pre-defined parameters: "canonical-form", "cdata-sections", "check-character-normalization", "comments", "datatype-normalization", "element-content-whitespace", "entities", "error-handler", "infoset", "namespaces", "namespace-declarations", "normalize-characters","schema-location", "schema-type", "split-cdata-sections", "validate", "validate-if-schema", "well-formed" properties domconfiguration.parameternames read only is a domstringlist methods domconfiguration.cansetparameter() returns a boolean domconfiguration.getparameter() returns a domuserdata domconfiguration.setparameter() sets a parameter specification http://www.w3.org/tr/dom-level-3-cor...mconfiguration ...

DOMException.message - Web APIs
the message read-only property of the domexception interface returns a domstring representing a message or description associated with the given error name.
... syntax var domexceptionmessage = domexceptioninstance.message; value a domstring.

DOMException.name - Web APIs
the name read-only property of the domexception interface returns a domstring that contains one of the strings associated with an error name.
... syntax var domexceptionname = domexceptioninstance.name; value a domstring.

DOMObject - Web APIs
the obsolete domobject interface was used in earlier versions of the dom specification as the base class for any object data type.
... specifications specification status comment document object model (dom) level 3 core specificationthe definition of 'domobject' in that specification.

DOMPoint.w - Web APIs
the dompoint interface's w property holds the point's perspective value, w, for a point in space.
... syntax var perspective = dompoint.w; value a double-precision floating-point value indicating the w perspective value for the point.

DOMPoint.x - Web APIs
the dompoint interface's x property holds the horizontal coordinate, x, for a point in space.
... syntax var xpos = dompoint.x; value a double-precision floating-point value indicating the x coordinate's value for the point.

DOMPoint.y - Web APIs
the dompoint interface's y property holds the vertical coordinate, y, for a point in space.
... syntax var ypos = dompoint.y; value a double-precision floating-point value indicating the y coordinate's value for the point.

DOMPoint.z - Web APIs
the dompoint interface's z property specifies the depth coordinate of a point in space.
... syntax var zpos = dompoint.z; value a double-precision floating-point value indicating the z coordinate's value for the point.

DOMRectReadOnly.bottom - Web APIs
the bottom read-only property of the domrectreadonly interface returns the bottom coordinate value of the domrect.
... (has the same value as y + height, or y if height is negative.) syntax var recbottom = domrect.bottom; value a double.

DOMRectReadOnly.height - Web APIs
the height read-only property of the domrectreadonly interface represents the height of the domrect.
... syntax var recheight = domrect.height; value a double.

DOMRectReadOnly.left - Web APIs
the left read-only property of the domrectreadonly interface returns the left coordinate value of the domrect.
... (has the same value as x, or x + width if width is negative.) syntax var recleft = domrect.left; value a double.

DOMRectReadOnly.right - Web APIs
the right read-only property of the domrectreadonly interface returns the right coordinate value of the domrect.
... (has the same value as x + width, or x if width is negative.) syntax var recright = domrect.right; value a double.

DOMRectReadOnly.top - Web APIs
the top read-only property of the domrectreadonly interface returns the top coordinate value of the domrect.
... (has the same value as y, or y + height if height is negative.) syntax var rectop = domrect.top; value a double.

DOMRectReadOnly.width - Web APIs
the width read-only property of the domrectreadonly interface represents the width of the domrect.
... syntax var recwidth = domrect.width; value a double.

DOMRectReadOnly.x - Web APIs
the x read-only property of the domrectreadonly interface represents the x coordinate of the domrect's origin.
... syntax var recx = domrect.x; value a double.

DOMRectReadOnly.y - Web APIs
the y read-only property of the domrectreadonly interface represents the y coordinate of the domrect's origin.
... syntax var recy = domrect.y; value a double.

DOMStringMap - Web APIs
the domstringmap interface is used for the htmlelement.dataset attribute, to represent data for custom attributes added to elements.
... specifications specification status comment html living standardthe definition of 'domstringmap' in that specification.

DOMTimeStamp - Web APIs
the domtimestamp type represents an absolute or relative number of milliseconds, depending on the specification in which it appears.
... specifications specification status comment web idlthe definition of 'domtimestamp' in that specification.

DOMTokenList.supports() - Web APIs
the supports() method of the domtokenlist interface returns true if a given token is in the associated attribute's supported tokens.
... syntax let trueorfalse = element.supports(token) parameters token a domstring containing the token to query for.

PerformanceTiming.domComplete - Web APIs
the legacy performancetiming.domcomplete read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the parser finished its work on the main document, that is when its document.readystate changes to 'complete' and the corresponding readystatechange event is thrown.
... syntax time = performancetiming.domcomplete; specifications specification status comment navigation timingthe definition of 'performancetiming.domcomplete' in that specification.

PerformanceTiming.domContentLoadedEventEnd - Web APIs
the legacy performancetiming.domcontentloadedeventend read-only property returns an unsigned long long representing the moment, in milliseconds since the unix epoch, right after all the scripts that need to be executed as soon as possible, in order or not, has been executed.
... syntax time = performancetiming.domcontentloadedeventend; specifications specification status comment navigation timingthe definition of 'performancetiming.domcontentloadedeventend' in that specification.

PerformanceTiming.domContentLoadedEventStart - Web APIs
the legacy performancetiming.domcontentloadedeventstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, right before the parser sent the domcontentloaded event, that is right after all the scripts that need to be executed right after parsing has been executed.
... syntax time = performancetiming.domcontentloadedeventstart; specifications specification status comment navigation timingthe definition of 'performancetiming.domcontentloadedeventstart' in that specification.

PerformanceTiming.domInteractive - Web APIs
the legacy performancetiming.dominteractive read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the parser finished its work on the main document, that is when its document.readystate changes to 'interactive' and the corresponding readystatechange event is thrown.
... syntax time = performancetiming.dominteractive; specifications specification status comment navigation timingthe definition of 'performancetiming.dominteractive' in that specification.

PerformanceTiming.domLoading - Web APIs
the legacy performancetiming.domloading read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the parser started its work, that is when its document.readystate changes to 'loading' and the corresponding readystatechange event is thrown.
... syntax time = performancetiming.domloading; specifications specification status comment navigation timingthe definition of 'performancetiming.domloading' in that specification.

PerformanceTiming.domainLookupEnd - Web APIs
the legacy performancetiming.domainlookupend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the domain lookup is finished.
... syntax time = performancetiming.domainlookupend; specifications specification status comment navigation timingthe definition of 'performancetiming.domainlookupend' in that specification.

PerformanceTiming.domainLookupStart - Web APIs
the legacy performancetiming.domainlookupstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the domain lookup starts.
... syntax time = performancetiming.domainlookupstart; specifications specification status comment navigation timingthe definition of 'performancetiming.domainlookupstart' in that specification.

XDomainRequest.abort() - Web APIs
aborts an xdomainrequest.
... syntax xdr.abort(); example var xdr = new xdomainrequest(); xdr.open("get", "http://example.com/api/method"); xdr.send(); xdr.abort(); specification not part of any specification.

XDomainRequest.ontimeout - Web APIs
an event handler which is called when a pending xdomainrequest times out.
... example var xdr = new xdomainrequest(); xdr.open("post", "http://example.com/api/method"); xdr.ontimeout = function(){ //handle timeout } xdr.onload = function(){ //handle response with xdr.responsetext } xdr.send("param1=value1&param2=value2"); specification not part of any specification.

XDomainRequest.open() - Web APIs
opens an xdomainrequest which is configured to use a given method (get/post) and url.
... example var xdr = new xdomainrequest(); xdr.open("get", "http://example.com/api/method"); specification not part of any specification.

XDomainRequest.responseText - Web APIs
returns the response body of an xdomainrequest as a string.
... note: this property is valid during the xdomainrequest.onprogress and xdomainrequest.onload events.

XDomainRequest.send() - Web APIs
sends an xdomainrequest which has previously been opened calling xdomainrequest.open().
... example var xdr = new xdomainrequest(); xdr.open("post", "http://example.com/api/method"); xdr.onload = function(){ //handle response with xdr.responsetext } xdr.send("param1=value1&param2=value2"); specification not part of any specification.

Using the DOM File API in chrome code - Extensions
if you want to use the dom file api in chrome code, you can do so without restriction.

Node (DOM) - MDN Web Docs Glossary: Definitions of Web-related terms
in the context of the dom, a node is a single point in the node tree.

browser.dom.window.dump.enabled
related browser.dom.window.dump.file window.dump ...

dom.event.clipboardevents.enabled
dom.event.clipboardevents.enabled lets websites get notifications if the user copies, pastes, or cuts something from a web page, and it lets them know which part of the page had been selected.

nsIDOMCanvasRenderingContext2D
the nsidomcanvasrenderingcontext2d interface implements the dom canvasrenderingcontext2d interface.

nsIDOMDesktopNotification
the nsidomdesktopnotification interface implements the dom notification interface.

nsIDOMDesktopNotificationCenter
the nsidomdesktopnotificationcenter interface implements the dom navigator.moznotification interface.

nsIDOMEventListener
the nsidomeventlistener interface implements the dom eventlistener interface.

nsIDOMEventTarget
dom/interfaces/events/nsidomeventtarget.idlscriptable this interface is the interface implemented by all event targets in the document object model.

nsIDOMHTMLFormElement
the nsidomhtmlformelement interface implements the dom htmlformelement interface.

nsIDOMMozNetworkStatsData
dom/network/interfaces/nsidomnetworkstats.idlscriptable represents a single record in the network statistics database, as reported using the nsidommoznetworkstatsmanager interface.

Element: DOMMouseScroll event - Web APIs
the dom dommousescroll event is fired asynchronously when mouse wheel or similar device is operated and the accumulated scroll amount is over 1 line or 1 page since last event.

XDomainRequest.timeout - Web APIs
gets or sets the amount of time in milliseconds until an xdomainrequest times out.

Index - Web APIs
found 5328 pages: # page tags and summary 1 web apis api, dom, landing, reference, web when writing code for the web, there are a large number of web apis available.
... 6 abortcontroller api, abortcontroller, experimental, interface, reference the abortcontroller interface represents a controller object that allows you to abort one or more dom requests as and when desired.
... 8 abortcontroller.abort() api, abortcontroller, experimental, fetch, method, reference, abort() the abort() method of the abortcontroller interface aborts a dom request (e.g.
...And 1687 more matches

Index
14 introduction to xpcom for the dom developing mozilla warning: this document has not yet been reviewed by the dom gurus, it might contain some errors.
... 16 components object dom, gecko, xpcom:language bindings, xpconnect the components object is the object through which xpconnect functionality is reflected into javascript.
...the result is structured cloned back to the original context, unless it is native (for example, if it returns a dom node, this is not structured cloned, because the original context will see that through an xraywrapper already), so it's guaranteed to behave predictably.
...And 116 more matches

WebIDL bindings
all webidl files should be placed in dom/webidl and added to the list in the moz.build file in that directory.
... note that if you're adding new interfaces, then the test at dom/tests/mochitest/general/test_interfaces.html will most likely fail.
... this is a signal that you need to get a review from a dom peer.
...And 81 more matches

Event reference
dom events are sent to notify code of interesting things that have taken place.
... (see non-standard events) storage update events checking downloading error noupdate obsolete updateready value change events broadcast checkboxstatechange hashchange input radiostatechange readystatechange valuechange uncategorized events invalid message message open show less common and non-standard events abortable fetch events event name fired when abort a dom request is aborted, i.e.
... svg events svgabort svgerror svgload svgresize svgscroll svgunload svgzoom database events abort blocked complete error success upgradeneeded versionchange script events afterscriptexecute beforescriptexecute menu events dommenuitemactive dommenuiteminactive window events close popup events popuphidden popuphiding popupshowing popupshown tab events visibilitychange battery events chargingchange chargingtimechange dischargingtimechange levelchange call events alerting busy callschanged cfstatechange connecting dialing disconnected disconnecting error held, holding incoming resuming statechange voicechange sensor events compassneedscalibration devicemotion deviceorientation orientationchange smartcard events icccardlockerror iccinfo...
...And 61 more matches

Mozilla accessibility architecture
readers of this document should be familiar with interfaces, the w3c dom, xul and the concept of a layout object tree.
...accessible nodes and interfaces every node in the dom tree could be important to 3rd party assistive technology.
...accessible tree contains only a subset of nodes from the dom tree not all dom nodes are exposed through accessibility api toolkits -- only those objects deemed important by the developers of the toolkit.
...And 47 more matches

Index - Archive of obsolete content
17 cross-domain content scripts add-on sdk, add-ons, extensions no summary!
... 50 page-worker add-on sdk create a permanent, invisible page and access its dom.
... 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.
...And 45 more matches

Advanced Svelte: Reactivity, lifecycle, accessibility - Learn web development
to do so, we'll utilize some techniques for accessing dom nodes and executing methods like focus() and select().
... we will also see how to declare and clean-up event listeners on dom elements.
... we also need to learn a bit about component lifecycle, to understand when these dom nodes get mounted and and unmounted from the dom and how we can access them.
...And 43 more matches

Gecko info for Windows accessibility vendors
the base of our support for these products is msaa (microsoft active accessibility), external readonly dom support, and the keyboard api/user interface.
...it supports html, xhtml, cascading style sheets (css) and the document object model (dom).
... dom: document object model this is the w3c's specification for how web content is exposed to javascript and other languages.
...And 42 more matches

CustomizableUI.jsm
note that these are also abstract cross-window objects; customizableui will manage the actual dom manipulation involved with adding/moving/removing widgets in all windows for you.
... there are three main types of widgets: 'legacy' xul widgets, which are the way customizableui represents widgets whose dom representation is present (or overlaid) into a window; api-style widgets, which are the new widgets customizableui can create and manage for you.
... customizableui provides apis to add, move and remove all these different widgets, and mostly abstracts the dom away from you.
...And 42 more matches

Index - MDN Web Docs Glossary: Definitions of Web-related terms
7 arpa glossary, infrastructure .arpa (address and routing parameter area) is a top-level domain used for internet infrastructure purposes, especially reverse dns lookup (i.e., find the domain name for a given ip address).
... 12 accessibility tree (aom) aom, accessibility, dom, glossary, reference the accessibility tree, or accessibility object model (aom), contains accessibility-related information for most html elements.
...specifically, blink began as a fork of the webcore library in webkit, which handles layout, rendering, and dom, but now stands on its own as a separate rendering engine.
...And 39 more matches

Performance best practices for Firefox front-end engineers
as of bug 1353206, you can also schedule idle events in non-dom contexts by using services.tm.idledispatchtomainthread.
...this allows you to put all of your dom writes (most importantly, anything that could change the size or position of things in the dom) just before the style and layout steps of the pipeline, combining all the style and layout calculations into a single batch so it all happens once, in a single frame tick, instead of across multiple frames.
...this happens the first time the page loads and the css is initially applied, but can happen again if javascript modifies the dom.
...And 39 more matches

Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
they include: html 4.01, xhtml 1.0 and xhtml 1.1 cascade style sheets (css): css level 1, css level 2.1 and parts of css level 3 document object model (dom): dom level 1, dom level 2 and parts of dom level 3 mathematical markup language: mathml version 2.0 extensible markup language (xml): xml 1.0, namespaces in xml, associating style sheets with xml documents 1.0, fragment identifier for xml xsl transformations: xslt 1.0 xml path language: xpath 1.0 resource description framework: rdf simple object access protocol: soap 1.1 ecma-262, revisio...
... dom differences the document object model (dom) is the tree structure that contains the document elements.
... accessing elements to retrieve an element reference using the cross-browser approach, you use document.getelementbyid(aid), which works in internet explorer 5.0+, mozilla-based browsers, other w3c-compliant browsers and is part of the dom level 1 specification.
...And 35 more matches

nsIContentPrefService2
dom/interfaces/base/nsicontentprefservice2.idlscriptable asynchronous api for content preferences 1.0 66 introduced gecko 20.0 inherits from: nsisupports last changed in gecko 20.0 (firefox 20.0 / thunderbird 20.0 / seamonkey 2.17) description content preferences allow the application to associate arbitrary data, or "preferences", with specific domains, or web "content".
... specifically, a content preference is a structure with three values: a domain with which the preference is associated, a name that identifies the preference within its domain, and a value.
... (see nsicontentpref below.) for example, if you want to remember the user's preference for a certain zoom level on www.mozilla.org pages, you might store a preference whose domain is "www.mozilla.org", whose name is "zoomlevel", and whose value is the numeric zoom level.
...And 35 more matches

Adding a new event
a simple dom event which can be implemented with webidl and widgetevent or something.
... a dom event which represents a native event like a user action such as keyboard or mouse input.
... it's not a dom event.
...And 30 more matches

IME handling guide
this represents a dom compositionstart event.
... the mdata value is a selected string at dispatching the dom event and it's automatically set by textcomposition.
...this represents a dom compositionupdate event.
...And 30 more matches

nsIAccessibleRetrieval
accessible/public/nsiaccessibleretrieval.idlscriptable an interface for in-process accessibility clients wishing to get an nsiaccessible or nsiaccessnode for a given dom node.
... inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview nsiaccessible getaccessiblefor(in nsidomnode anode); nsiaccessible getaccessibleinshell(in nsidomnode anode, in nsipresshell apresshell); nsiaccessible getaccessibleinweakshell(in nsidomnode anode, in nsiweakreference apresshell); obsolete since gecko 2.0 nsiaccessible getaccessibleinwindow(in nsidomnode anode, in nsidomwindow adomwin); obsolete since gecko 2.0 nsiaccessible getapplicationaccessible(); nsiaccessible getattachedaccessiblefor(in nsidomnode anode); nsiaccessible getcachedaccessible(in nsidomnode anode, in nsiweakreference ashell); obsolete since gecko 2.0 nsiaccessnode getcachedaccessnode...
...(in nsidomnode anode, in nsiweakreference ashell); obsolete since gecko 2.0 nsidomnode getrelevantcontentnodefor(in nsidomnode anode); astring getstringeventtype(in unsigned long aeventtype); astring getstringrelationtype(in unsigned long arelationtype); astring getstringrole(in unsigned long arole); nsidomdomstringlist getstringstates(in unsigned long astates, in unsigned long aextrastates); methods getaccessiblefor() return an nsiaccessible for a dom node in pres shell 0.
...And 28 more matches

Extending a Protocol
the tutorial is designed for browser engineers who are implementing dom/web apis that need to, for example, send a message to the os or spin up something off the main thread - so it's biased towards supporting w3c/whatwg dom apis.
...the method will take one argument, a domstring, which we will pass to the parent process.
... the webidl for this will be: partial interface navigator { promise<domstring> echo(domstring somestring); }; learning goals are: extending an existing ipdl protocol.
...And 27 more matches

sslfnc.html
therefore, an application cannot use nss to perform any cryptographic operations until after it enables appropriate cipher suites by calling one of the ssl export policy functions: nss_setdomesticpolicy, nss_setexportpolicy, and nss_setfrancepolicy configure the cipher suites for domestic, international, and french versions of software products with encryption features.
...the functions nss_setdomesticpolicy, nss_setexportpolicy, and nss_setfrancepolicy permit the use of approved cipher suites for domestic, international, and french versions, respectively, of software products with encryption features.
... applications must call one of the export policy functions before attempting to perform any cryptographic operations: nss_setdomesticpolicy nss_setexportpolicy nss_setfrancepolicy ssl_cipherpolicyset the following function is also described in this section: ssl_cipherpolicyget nss_setdomesticpolicy configures cipher suites to conform with current u.s.
...And 27 more matches

nsISessionStore
method overview void deletetabvalue(in nsidomnode atab, in astring akey); void deletewindowvalue(in nsidomwindow awindow, in astring akey); nsidomnode duplicatetab(in nsidomwindow awindow, in nsidomnode atab); nsidomnode forgetclosedtab(in nsidomwindow awindow, in unsigned long aindex); nsidomnode forgetclosedwindow(in unsigned long aindex); astring getbrowserstate(); unsigned long get...
...closedtabcount(in nsidomwindow awindow); astring getclosedtabdata(in nsidomwindow awindow); unsigned long getclosedwindowcount(); astring getclosedwindowdata(); astring gettabstate(in nsidomnode atab); astring gettabvalue(in nsidomnode atab, in astring akey); astring getwindowstate(in nsidomwindow awindow); astring getwindowvalue(in nsidomwindow awindow, in astring akey); void init(in nsidomwindow awindow); void persisttabattribute(in astring aname); void restorelastsession(); void setbrowserstate(in astring astate); void settabstate(in nsidomnode atab, in astring astate); void settabvalue(in nsidomnode atab, in astring akey, in astring astringvalue); void setwind...
...owstate(in nsidomwindow awindow, in astring astate, in boolean aoverwrite); void setwindowvalue(in nsidomwindow awindow, in astring akey, in astring astringvalue); nsidomnode undoclosetab(in nsidomwindow awindow, in unsigned long aindex); nsidomwindow undoclosewindow(in unsigned long aindex); attributes attribute type description canrestorelastsession boolean is it possible to restore the previous session.
...And 27 more matches

nsITextInputProcessor
dom/interfaces/base/nsitextinputprocessor.idlscriptable this interface is a text input events synthesizer and manages its composition and modifier state 1.0 66 introduced gecko 38 inherits from: nsisupports last changed in gecko 38.0 (firefox 38.0 / thunderbird 38.0 / seamonkey 2.35) the motivation of this interface is to provide better api than nsidomwindowutils to dispatch key events and create, modify, and commit composition in higher level.
... nsidomwindowutils has provided the methods which dispatched keyboard events and composition events almost directly.
... for example, the implementation of this interface manages modifier state and composition state, initializes dom events from minimum information, and doesn't dispatch some events if they are not necessary.
...And 25 more matches

Creating Custom Events That Can Pass Data
this page describes how to implement custom dom events that can be used to pass data.
...note that starting with version 6, firefox supports dom level 3 customevent, which lets you dispatch custom events with arbitrary data from javascript.
...as of gecko 1.8, if your event names do not start with "nsdom" and their interfaces do not start with "nsidom" then you can forget about passing data.
...And 24 more matches

Element - Web APIs
element.classlist read only returns a domtokenlist containing the list of class attributes.
... element.classname is a domstring representing the class of the element.
... element.computedname read only returns a domstring containing the label exposed to accessibility.
...And 23 more matches

nsIHTMLEditor
inherits from: nsisupports last changed in gecko 5.0 (firefox 5.0 / thunderbird 5.0 / seamonkey 2.2) method overview void adddefaultproperty(in nsiatom aproperty, in astring aattribute, in astring avalue); void addinsertionlistener(in nsicontentfilter infilter); void align(in astring aalign); boolean breakisvisible(in nsidomnode anode); boolean candrag(in nsidomevent aevent); void checkselectionstateforanonymousbuttons(in nsiselection aselection); nsidomelement createanonymouselement(in astring atag, in nsidomnode aparentnode, in astring aanonclass, in boolean aiscreatedhidden); nsidomelement createelementwithdefaults(in astring atagname); void decreasefontsize(); ...
... void dodrag(in nsidomevent aevent); void getalignment(out boolean amixed, out short aalign); astring getbackgroundcolorstate(out boolean amixed); nsidomelement getelementorparentbytagname(in astring atagname, in nsidomnode anode); astring getfontcolorstate(out boolean amixed); astring getfontfacestate(out boolean amixed); astring getheadcontentsashtml(); astring gethighlightcolorstate(out boolean amixed); void getindentstate(out boolean acanindent, out boolean acanoutdent); void getinlineproperty(in nsiatom aproperty, in astring aattribute, in astring avalue, out boolean afirst, out boolean aany, out boolean aall); astring getinlinepropertywithattrvalue(in nsiatom aproperty, in astring aattribute, in a...
...string avalue, out boolean afirst, out boolean aany, out boolean aall); nsisupportsarray getlinkedobjects(); void getlistitemstate(out boolean amixed, out boolean ali, out boolean adt, out boolean add); void getliststate(out boolean amixed, out boolean aol, out boolean aul, out boolean adl); astring getparagraphstate(out boolean amixed); nsidomelement getselectedelement(in astring atagname); nsidomelement getselectioncontainer(); void ignorespuriousdragevent(in boolean aignorespuriousdragevent); void increasefontsize(); void indent(in astring aindent); void insertelementatselection(in nsidomelement aelement, in boolean adeleteselection); void insertfromdrop(in nsidomevent aevent); void ...
...And 20 more matches

Web Components
shadow dom: a set of javascript apis for attaching an encapsulated "shadow" dom tree to an element — which is rendered separately from the main document dom — and controlling associated functionality.
... if required, attach a shadow dom to the custom element using element.attachshadow() method.
... add child elements, event listeners, etc., to the shadow dom using regular dom methods.
...And 20 more matches

Focus management with Vue refs - Learn web development
we'll look at using vue refs to handle this — an advanced feature that allows you to have direct access to the underlying dom nodes below the virtual dom, or direct access from one component to the internal dom structure of a child component.
... vue components are written as a combination of javascript objects that manage the app's data and an html-based template syntax that maps to the underlying dom structure.
...specifically, when a user activates the "edit" button, we remove the "edit" button from the dom, but we don't move the user's focus anywhere, so in effect it just disappears.
...And 19 more matches

Error codes returned by Mozilla APIs
ns_error_dom_index_size_err (0x80530001) an attempt was made to adjust the value of a text node using an index that was out of range.
... ns_error_dom_domstring_size_err (0x80530002) an attempt was made to create a string larger than is supported.
... ns_error_dom_hierarchy_request_err (0x80530003) a node was inserted into a location where it cannot go.
...And 19 more matches

Element.classList - Web APIs
the element.classlist is a read-only property that returns a live domtokenlist collection of the class attributes of the element.
... syntax const elementclasses = elementnodereference.classlist; returns a domtokenlist representing the contents of the element's class attribute.
... if the class attribute is not set or empty, it returns an empty domtokenlist, i.e.
...And 19 more matches

HTMLAnchorElement - Web APIs
element.accesskey is a domstring representing a single character that switches input focus to the hyperlink.
... htmlanchorelement.download is a domstring indicating that the linked resource is intended to be downloaded rather than displayed in the browser.
... htmlanchorelement.hreflang is a domstring that reflects the hreflang html attribute, indicating the language of the linked resource.
...And 19 more matches

Proxy Auto-Configuration (PAC) file - HTTP
(of course, the javascripts must be edited to reflect your site's domain name and/or subnets.) predefined functions and environment these functions can be used in building the pac file: hostname based conditions isplainhostname() dnsdomainis() localhostordomainis() isresolvable() isinnet() related utility functions dnsresolve() convert_addr() myipaddress() dnsdomainlevels() url/hostname based conditions shex...
... description true if and only if there is no domain name in the hostname (no dots).
... examples isplainhostname("www.mozilla.org") // false isplainhostname("www") // true dnsdomainis() syntax dnsdomainis(host, domain) parameters host is the hostname from the url.
...And 19 more matches

window/utils - Archive of obsolete content
globals functions getmostrecentbrowserwindow() get the topmost browser window, as an nsidomwindow instance.
... returns nsidomwindow: the topmost browser window.
...this function wraps nsidomwindowutils.currentinnerwindowid.
...And 18 more matches

Manipulating documents - Learn web development
this is usually done by using the document object model (dom), a set of apis for controlling html and styling information that makes heavy use of the document object.
... in this article we'll look at how to use the dom in detail, along with some other interesting apis that can alter your environment in interesting ways.
... objective: to gain familiarity with the core dom apis, and the other apis commonly associated with dom and document manipulation the important parts of a web browser web browsers are very complicated pieces of software with a lot of moving parts, many of which can't be controlled or manipulated by a web developer using javascript.
...And 18 more matches

nsIEffectiveTLDService
netwerk/dns/nsieffectivetldservice.idlscriptable this is an interface that examines a hostname and determines the longest portion that should be treated as though it were a top-level domain (tld).
... it can also determine the base domain of a uri.
...cookie setting and domain highlighting, but you should check whether it's the right answer for your application.
...And 18 more matches

Implementing a Microsoft Active Accessibility (MSAA) Server - Accessibility
on microsoft windows, these kinds of assistive technology acquire this necessary information via a combination of hacks, msaa and proprietary doms.
...for example, gecko support isimpledomnode to provide information about the dom node for an accessible object.
...this information may be in the form of extensions to msaa, like mozilla has done with isimpledomnode (you can qi to it from iaccessible).
...And 18 more matches

nsIFocusManager
dom/interfaces/base/nsifocusmanager.idlscriptable please add a summary to this article.
....0 66 introduced gecko 1.9.2 inherits from: nsisupports last changed in gecko 5.0 (firefox 5.0 / thunderbird 5.0 / seamonkey 2.2) implemented by: @mozilla.org/focus-manager;1 as a service: var focusmanager = components.classes["@mozilla.org/focus-manager;1"] .getservice(components.interfaces.nsifocusmanager); method overview void clearfocus(in nsidomwindow awindow); void contentremoved(in nsidocument adocument, in nsicontent aelement); native code only!
... nsidomelement getfocusedelementforwindow(in nsidomwindow awindow, in prbool adeep, out nsidomwindow afocusedwindow); pruint32 getlastfocusmethod(in nsidomwindow window); void movecarettofocus(in nsidomwindow awindow); void elementisfocusable(in nsidomelement aelement, in unsigned long aflags); nsidomelement movefocus(in nsidomwindow awindow, in nsidomelement astartelement, in unsigned long atype, in unsigned long aflags); void setfocus(in nsidomelement aelement, in unsigned long aflags); void windowhidden(in nsidomwindow awindow); native code only!
...And 17 more matches

Framework main features - Learn web development
previous overview: client-side javascript frameworks next each major javascript framework has a different approach to updating the dom, handling browser events, and providing an enjoyable developer experience.
... domain-specific languages all of the frameworks discussed in this module are powered by javascript, and all allow you to use domain-specific languages (dsls) in order to build your applications.
...typescript is not concerned with the writing of user interfaces, but it is a domain-specific language, and has significant differences to vanilla javascript.
...And 16 more matches

Mozilla’s UAAG evaluation report
ref("capability.policy.popupsites.windowinternal.open", "noaccess"); or turn it off everywhere: user_pref("capability.policy.default.windowinternal.open", "noaccess"); override popping up new windows on target=anything: user_pref("browser.target_new_blocked", true); override popup windows at beginning of new page load (blocks most popup advertisements): user_pref("dom.disable_open_during_load", true); 5.4 selection and focus in viewport.
... checkpoint title status notes/plans 6.1 dom read access.
... (p1) vg the dom is available in-process, but not via an out-of-process (com) interface.
...And 16 more matches

nsISelection
as a service: var selection = components.classes["@mozilla.org/????????????????????????????"] .createinstance(components.interfaces.nsiselection); method overview void addrange(in nsidomrange range); void collapse(in nsidomnode parentnode, in long offset); [noscript,notxpcom,nostdcall] boolean collapsed(); void collapsenative(in nsidomnode parentnode, in long offset); native code only!
... void collapsetoend(); void collapsetostart(); boolean containsnode(in nsidomnode node, in boolean partlycontained); void deletefromdocument(); void extend(in nsidomnode parentnode, in long offset); void extendnative(in nsidomnode parentnode, in long offset); native code only!
... nsidomrange getrangeat(in long index); void modify(in domstring alter, in domstring direction, in domstring granularity); void removeallranges(); void removerange(in nsidomrange range); void selectallchildren(in nsidomnode parentnode); void selectionlanguagechange(in boolean langrtl); domstring tostring(); attributes attribute type description anchornode nsidomnode returns the node in which the selection begins.
...And 16 more matches

Window - Web APIs
the window interface represents a window containing a dom document; the document property points to the dom document loaded in that window.
...many of these are documented in the javascript reference and the dom reference.
.../web/api/window" target="_top"><rect x="1" y="1" width="75" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="38.5" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">window</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} constructors see also the dom interfaces.
...And 16 more matches

Critical rendering path - Web Performance
optimizing the critical render path improves render performance.the critical rendering path includes the document object model (dom), css object model (cssom), render tree and layout.
...the html may request javascript, which may, in turn, alter the dom.
...the browser then begins parsing the html, converting the received bytes to the dom tree.
...And 16 more matches

Dynamically modifying XUL-based user interface - Archive of obsolete content
this article discusses manipulating xul interfaces, using dom and other apis.
... it explains the concept of dom documents, demonstrates a few simple examples of using dom calls to perform basic manipulations on a document, and then demonstrates working with anonymous xbl content using mozilla-specific methods.
...you may also want to read some introductory documents about dom, like the about the document object model article or the introduction page of the gecko dom reference.
...And 15 more matches

nsIWindowMediator
nsisimpleenumerator getenumerator(in wstring awindowtype); nsidomwindow getmostrecentwindow(in wstring awindowtype); nsidomwindow getouterwindowwithid(in unsigned long long aouterwindowid); nsisimpleenumerator getxulwindowenumerator(in wstring awindowtype); pruint32 getzlevel(in nsixulwindow awindow); native code only!
... nsisimpleenumerator getzorderdomwindowenumerator(in wstring awindowtype, in boolean afronttoback); nsisimpleenumerator getzorderxulwindowenumerator(in wstring awindowtype, in boolean afronttoback); void registerwindow(in nsixulwindow awindow); native code only!
... var {cc: classes, ci: interfaces} = components; var windowlistener = { onopenwindow: function (awindow) { // wait for the window to finish loading let domwindow = awindow.queryinterface(ci.nsiinterfacerequestor).getinterface(ci.nsidomwindowinternal || ci.nsidomwindow); domwindow.addeventlistener("load", function () { domwindow.removeeventlistener("load", arguments.callee, false); //this removes this load function from the window //window has now loaded now do stuff to it //as example this will add a funct...
...And 15 more matches

nsIWindowWatcher
embedding/components/windowwatcher/public/nsiwindowwatcher.idlscriptable this interface is the keeper of gecko/dom windows.
... 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 afeatur...
...es, in nsisupports aarguments); void registernotification(in nsiobserver aobserver); void setwindowcreator(in nsiwindowcreator creator); void unregisternotification(in nsiobserver aobserver); attributes attribute type description activewindow nsidomwindow the watcher serves as a global storage facility for the current active (front most non-floating-palette-type) window, storing and returning it on demand.
...And 15 more matches

HTMLAreaElement - Web APIs
element.accesskey is a domstring containing a single character that switches input focus to the control.
... htmlareaelement.alt is a domstring that reflects the alt html attribute, containing alternative text for the element.
... htmlareaelement.coords is a domstring that reflects the coords html attribute, containing coordinates to define the hot-spot region.
...And 15 more matches

Node - Web APIs
the dom node interface is an abstract base class upon which many other dom api objects are based, thus letting those object types to be used similarly and often interchangeably.
... in addition, every kind of dom node is represented by an interface based on node.
... node.baseuriread only returns a domstring representing the base url of the document containing the node.
...And 15 more matches

Navigation and resource timings - Web Performance
as displayed in the image below, the navigation process goes from navigationstart, unloadeventstart, unloadeventend, redirectstart, redirectend, fetchstart, domainlookupstart, domainlookupend, connectstart , connectend, secureconnectionstart, requeststart, responsestart, responseend, domloading, dominteractive, domcontentloadedeventstart, domcontentloadedeventend, domcomplete, loadeventstart, and loadeventend.
... domainlookupend when the domain lookup is finished.
... domainlookupstart when the domain lookup starts.
...And 15 more matches

Getting started with Ember - Learn web development
the glimmer vm enables extremely fast dom change tracking without the need to manage and diff a cached virtual representation (which is a common approach to mitigating the slow i/o of dom changes).
... getting started the rest of the ember material you'll find here consists of a multi-part tutorial, in which we'll make a version of the classic todomvc sample app, teaching you how to use the essentials of the ember framework along the way.
... todomvc is a basic to-do tracking app implemented in many different technologies.
...And 14 more matches

Index - Firefox Developer Tools
6 dom inspector dom, dom:tools, dom_inspector, extensions, extensions:tools, themes, themes:tools, tools, web development, web development:tools, xul, xul:tools the dom inspector (also known as domi) is a developer tool used to inspect, browse, and edit the document object model of documents - usually web pages or xul windows.
... the dom hierarchy can be navigated using a two-paned window that allows a variety of different views on the document and all nodes within.
... 7 dom inspector faq dom_inspector the file menu contains approaches which will allow you to inspect a document.
...And 14 more matches

HTMLImageElement - Web APIs
4" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">htmlimageelement</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} constructor image() the image() constructor creates and returns a new htmlimageelement object representing an html <img> element which is not attached to any dom tree.
... htmlimageelement.alt a domstring that reflects the alt html attribute, thus indicating the alternate fallback content to be displayed if the image has not been loaded.
... htmlimageelement.crossorigin a domstring specifying the cors setting for this image element.
...And 14 more matches

SVGStringList - Web APIs
svg string list interface the svgstringlist defines a list of domstring objects.
... 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 normative document svg 1.1 (2nd edition) properties name ...
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
...And 14 more matches

Using HTTP cookies - HTTP
additional restrictions to a specific domain and path can be set, limiting where the cookie is sent.
... here is an example: set-cookie: id=a3fwa; expires=wed, 21 oct 2021 07:28:00 gmt; secure; httponly define where cookies are sent the domain and path attributes define the scope of the cookie: what urls the cookies should be sent to.
... domain attribute the domain attribute specifies which hosts are allowed to receive the cookie.
...And 14 more matches

nsIAccessNode
accessible/public/nsiaccessnode.idlscriptable an interface used by in-process accessibility clients to get style, window, markup and other information about a dom node.
... when accessibility is active in gecko, every dom node can have one nsiaccessnode.
...the nsiaccessnode tree for a given dom window has a one to one relationship to the dom tree.
...And 13 more matches

Background Tasks API - Web APIs
certainly most if not all code that is capable of making changes to the dom is running in the main thread, since it's common for user interface changes to only be available to the main thread.
... avoid making changes to the dom within your idle callback.
...if your callback needs to change the dom, it should use window.requestanimationframe() to schedule that.
...And 13 more matches

HTMLObjectElement - Web APIs
htmlobjectelement.align is a domstring representing an enumerated property indicating alignment of the element's contents with respect to the surrounding context.
... htmlobjectelement.archive is a domstring that reflects the archive html attribute, containing a list of archives for resources for this object.
... htmlobjectelement.border is a domstring that reflects the border html attribute, specifying the width of a border around the object.
...And 13 more matches

HTMLTableElement - Web APIs
when set, if the object doesn't represent a <caption>, a domexception with the hierarchyrequesterror name is thrown.
...when set, if the object doesn't represent a <thead>, a domexception with the hierarchyrequesterror name is thrown.
...when set, if the object doesn't represent a <tfoot>, a domexception with the hierarchyrequesterror name is thrown.
...And 13 more matches

Populating the page: how browsers work - Web Performance
parsing is the step the browser takes to turn the data it receives over the network into the dom and cssom, which is used by the renderer to paint a page to the screen.
... the dom is the internal representation of the markup for the browser.
... the dom is also exposed, and can be manipulated through various apis in javascript.
...And 13 more matches

Browser Feature Detection - Archive of obsolete content
among the methods of browser detection, many people recommend using the existence of specific properties or methods in a browser's dom to detect the browser type and whether it supports a given operation.
... browser sniffing via api name detection the following tables list the api names defined for specific w3c dom apis and lists the percentage of names that your browser actually defines followed by a list of each of the api names tested along with an indication of whether the name was defined for your browser.
... it is clear from these test results that netscape 7.0x and mozilla firefox have the greatest dom support although internet explorer, safari, and opera have sufficient dom css 1 and dom level 1 & 2 document property and method support to enable cross browser web development.
...And 12 more matches

Introduction to events - Learn web development
in the following example, we have a single <button>, which when pressed, makes the background change to a random color: <button>change color</button> button { margin: 10px }; the javascript looks like so: const btn = document.queryselector('button'); function random(number) { return math.floor(math.random() * (number+1)); } btn.onclick = function() { const rndcol = 'rgb(' + random(255) + ',' + random(255) + ',' + random(255) + ')'; document.body.style.backgroundcolor = rndcol; } in this code,...
...we also define a function that returns a random number.
...we are listening for the click event firing, by setting the onclick event handler property to equal an anonymous function containing code that generates a random rgb color and sets the <body> background-color equal to it.
...And 12 more matches

Storage access policy: Block cookies from trackers
firefox nightly may also contain experimental features that we don't yet plan to ship to release users; experimental features will not be included in this documentation, but may nevertheless impact the functionality of domains classified as trackers.
... second, firefox uses an additional "entity list", which prevents domains from being classified as trackers when they are loaded on a top-level site owned by the same organization.
...domains are matched against the list in accordance with the safebrowsing v4 specification.
...And 12 more matches

Autoconfiguration in Thunderbird
configuration server at isp isps have the option to provide their configuration information themselves directly to users, by setting up a web server at autoconfig.<domain>, which simply returns a static xml file with the configuration, as described below.
... guessing if all other mechanisms failed, thunderbird tries to guess the configuration, by trying common server names like imap.<domain>, smtp.<domain>, mail.<domain> etc., and, when a mail server answers, checking whether it supports ssl, starttls and encrypted passwords (cram-md5).
... all the lookup mechanisms use the email address domain as base for the lookup.
...And 12 more matches

Document - Web APIs
the document interface represents any web page loaded in the browser and serves as an entry point into the web page's content, which is the dom tree.
... the dom tree includes elements such as <body> and <table>, among many others.
... document.implementationread only returns the dom implementation associated with the current document.
...And 12 more matches

HTMLIFrameElement - Web APIs
htmliframeelement.align is a domstring that specifies the alignment of the frame with respect to the surrounding context.
... htmliframeelement.frameborder is a domstring that indicates whether to create borders between frames.
... htmliframeelement.height is a domstring that reflects the height html attribute, indicating the height of the frame.
...And 12 more matches

HTMLLinkElement - Web APIs
htmllinkelement.as is a domstring representing the type of content being loaded by the html link.
... htmllinkelement.crossorigin is a domstring that corresponds to the cors setting for this link element.
... htmllinkelement.href is a domstring representing the uri for the target resource.
...And 12 more matches

KeyboardEvent - Web APIs
they are accessed as keyboardevent.dom_key_location_standard and so forth.
... keyboard location identifiers constant value description dom_key_location_standard 0x00 the key described by the event is not identified as being located in a particular area of the keyboard; it is not located on the numeric keypad (unless it's the numlock key), and for keys that are duplicated on the left and right sides of the keyboard, the key is, for whatever reason, not to be associated with that location.
... dom_key_location_left 0x01 the key is one which may exist in multiple locations on the keyboard and, in this instance, is on the left side of the keyboard.
...And 12 more matches

Choosing between www and non-www URLs - HTTP
what are domain names?
... in an http url, the first substring that follows the initial http:// or https:// is called the domain name.
... this domain name is hosted on a server where the document resides.
...And 12 more matches

Same-origin policy - Web security
exceptions in internet explorer internet explorer has two major exceptions to the same-origin policy: trust zones if both domains are in the highly trusted zone (e.g.
... corporate intranet domains), then the same-origin limitations are not applied.
...a script can set the value of document.domain to its current domain or a superdomain of its current domain.
...And 12 more matches

Content Scripts - Archive of obsolete content
you can attach content scripts to the page, to access and manipulate the page's dom.
...it takes one of: "start": load the scripts immediately after the document element for the page is inserted into the dom.
... at this point the dom content hasn't been loaded yet, so the script won't be able to interact with it.
...And 11 more matches

Inner-browsing extending the browser navigation paradigm - Archive of obsolete content
an implementation can also use other transport technologies such as soap-based remote procedure calls, xmlhttprequest interfaces, or dom 3 load.
...but the real showcase for new browser features and web standards like html 4.0 and dom level 2, and xml are models like inner-browsing, where these technologies can begin to be used in the way that they were envisioned.
... many of the new web technologies in the html 4.0 specification, xml 1.0, dom level 3 were explicitly created with application-like behavior and more sophisticated navigational models in mind.
...And 11 more matches

Browser Detection and Cross Browser Support - Archive of obsolete content
gecko was designed from the ground up to be compliant with the w3c html, w3c css, w3c xml, w3c dom, and ecmascript (javascript) standards.
...if (document.all) { // ie4 height = document.body.offsetheight; } else if (document.layers) { // nn4 height = window.innerheight; } else { // other height = 0; } with the introduction of the w3c dom, the standard method document.getelementbyid became available in internet explorer 5 and later in netscape 6 (gecko).
...this is not true today and will become even less true as more browsers which support the w3c dom standards are introduced in the future.
...And 11 more matches

A first splash into JavaScript - Learn web development
me</title> <style> html { font-family: sans-serif; } body { width: 50%; max-width: 800px; min-width: 480px; margin: 0 auto; } .lastresult { color: white; padding: 3px; } </style> </head> <body> <h1>number guessing game</h1> <p>we have selected a random number between 1 and 100.
...oo low.</p> <div class="form"> <label for="guessfield">enter a guess: </label><input type="text" id="guessfield" class="guessfield"> <input type="submit" value="submit guess" class="guesssubmit"> </div> <div class="resultparas"> <p class="guesses"></p> <p class="lastresult"></p> <p class="loworhi"></p> </div> <script> // your javascript goes here let randomnumber = math.floor(math.random() * 100) + 1; const guesses = document.queryselector('.guesses'); const lastresult = document.queryselector('.lastresult'); const loworhi = document.queryselector('.loworhi'); const guesssubmit = document.queryselector('.guesssubmit'); const guessfield = document.queryselector('.guessfield'); let guesscount = 1; let resetbutton; func...
...tion checkguess() { let userguess = number(guessfield.value); if (guesscount === 1) { guesses.textcontent = 'previous guesses: '; } guesses.textcontent += userguess + ' '; if (userguess === randomnumber) { lastresult.textcontent = 'congratulations!
...And 11 more matches

Introduction to client-side frameworks - Learn web development
mdn web docs, which you are currently reading this on, uses the react/reactdom framework to power its front end.
...react is used in combination with other libraries to make applications — react and react native enable developers to make mobile applications; react and reactdom enable them to make web applications, etc.
... because react and reactdom are so often used together, react is colloquially understood as a javascript framework.
...And 11 more matches

AbstractRange - Web APIs
the abstractrange abstract interface is the base class upon which all dom range types are defined.
... endcontainer read only the dom node in which the end of the range, as specified by the endoffset property, is located.
... startcontainer read only the dom node in which the beginning of the range, as specified by the startoffset property, is located.
...And 11 more matches

Attr - Web APIs
the attr interface represents one of a dom element's attributes as an object.
... in most dom methods, you will directly retrieve the attribute as a string (e.g., element.getattribute()), but certain functions (e.g., element.getattributenode()) or means of iterating return attr types.
... namespaceuri read only a domstring representing the namespace uri of the attribute, or null if there is no namespace.
...And 11 more matches

BasicCardResponse - Web APIs
sung internetbasiccardresponsechrome no support noedge no support ≤18 — 79firefox full support 56notes disabled full support 56notes disabled notes available only in nightly builds.disabled from version 56: this feature is behind the dom.payments.request.enabled preference (needs to be set to true) and the dom.payments.request.supportedregions preference (needs to be set to a comma-delineated list of one or more 2-character iso country codes indicating the countries in which to support payments (for example, us,ca.).
...android no support nochrome android full support 57firefox android full support 56notes disabled full support 56notes disabled notes available only in nightly builds.disabled from version 56: this feature is behind the dom.payments.request.enabled preference (needs to be set to true) and the dom.payments.request.supportedregions preference (needs to be set to a comma-delineated list of one or more 2-character iso country codes indicating the countries in which to support payments (for example, us,ca.).
... 7.0billingaddresschrome no support noedge no support ≤18 — 79firefox full support 56notes disabled full support 56notes disabled notes available only in nightly builds.disabled from version 56: this feature is behind the dom.payments.request.enabled preference (needs to be set to true).
...And 11 more matches

EventTarget.addEventListener() - Web APIs
the available options are: capture a boolean indicating that events of this type will be dispatched to the registered listener before being dispatched to any eventtarget beneath it in the dom tree.
... usecapture optional a boolean indicating whether events of this type will be dispatched to the registered listener before being dispatched to any eventtarget beneath it in the dom tree.
...see dom level 3 events and javascript event order for a detailed explanation.
...And 11 more matches

HTMLTableCellElement - Web APIs
htmltablecellelement.abbr a domstring which can be used on <th> elements (not on <td>), specifying an alternative label for the header cell..
... htmltablecellelement.headers read only is a domsettabletokenlist describing a list of id of <th> elements that represents headers associated with the cell.
... htmltablecellelement.scope a domstring indicating the scope of a <th> cell.
...And 11 more matches

Content type - SVG: Scalable Vector Graphics
in the svg dom, <angle> values are represented using svgangle or svganimatedangle objects.
... the corresponding svg dom interface definitions for <color> are defined the one defined by css.
... svg's extension to color, including the ability to specify icc-based colors, are represented using dom interface svgcolor.
...And 11 more matches

Document Object Model - Archive of obsolete content
« previousnext » the document object model (dom) can be used with xul elements to get information about them or modify them.
... dom introduction the document object model (dom) is used to store the tree of xul nodes.
...the dom structure may be examined and modified using various methods provided for this purpose.
...And 10 more matches

The Implementation of the Application Object Model - Archive of obsolete content
this is referred to as the dom (document object model).
... how are xml dom/aom trees represented in nglayout?
...examples of these interfaces include nsidomelement, nsidomnode, nsixmlcontent, and nsicontent.
...And 10 more matches

nsIContentPolicy - Archive of obsolete content
dom/base/nsicontentpolicy.idlscriptable interface used to implement a content policy mechanism.
... type_document 6 indicates a dom document at the top-level (that is, directly within a browser tab).
... reject_server -3 returned from shouldload() or shouldprocess() if the load/process is rejected based on the server it is hosted on or requested from (acontentlocation or arequestorigin), e.g., if you block an image because it is served from goatse.cx (even if you don't necessarily block other types from that server/domain).
...And 10 more matches

How CSS works - Learn web development
it converts the html into a dom (document object model).
... the dom represents the document in the computer's memory.
... the dom is explained in a bit more detail in the next section.
...And 10 more matches

Index - Learn web development
28 what is a domain name?
... beginner, domain names, infrastructure, intro, needsactivelearning, web domain names are a key part of the internet infrastructure.
... 56 client-side web apis api, articles, beginner, codingscripting, dom, graphics, javascript, landing, learn, media, module, webapi, data when writing client-side javascript for web sites or applications, you will quickly encounter application programming interfaces (apis).
...And 10 more matches

Index
for example, while nss supports random calculation (creation) of a new public/private key pair, it's difficult to work with such a raw key pair.
...instead of simply verifying that the requester of a certificate is in control of an administrative email address at the desired web site's domain, it's required that the ca performs a verification of real world identity documents (such as a company registration document with the country's authority), and it's also required that a browser software performs a revocation check with the ca, prior to granting validity to the certificate.
... modutil supports several mechanisms: rsa, dsa, rc2, rc4, rc5, aes, des, dh, sha1, sha256, sha512, ssl, tls, md5, md2, random (for random number generation), and friendly (meaning certificates are publicly readable).
...And 10 more matches

nsIPromptService
its methods should be used in privileged code instead of dom window.alert, window.confirm, and other similar functions.
...to get an instance, use: var promptservice = components.classes["@mozilla.org/embedcomp/prompt-service;1"] .getservice(components.interfaces.nsipromptservice); method overview void alert(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext); void alertcheck(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, in wstring acheckmsg, inout boolean acheckstate); boolean confirm(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext); boolean confirmcheck(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, in ws...
...tring acheckmsg, inout boolean acheckstate); print32 confirmex(in nsidomwindow aparent,in wstring adialogtitle,in wstring atext, in unsigned long abuttonflags,in wstring abutton0title, in wstring abutton1title,in wstring abutton2title,in wstring acheckmsg, inout boolean acheckstate); boolean prompt(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, inout wstring avalue, in wstring acheckmsg, inout boolean acheckstate); boolean promptusernameandpassword(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, inout wstring ausername, inout wstring apassword, in wstring acheckmsg, inout boolean acheckstate); boolean promptpassword(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, inout wstring apassword, in wstrin...
...And 10 more matches

Document.cookie - Web APIs
;domain=domain (e.g., 'example.com' or 'subdomain.example.com').
...contrary to earlier specifications, leading dots in domain names are ignored, but browsers may decline to set the cookie containing such dots.
... if a domain is specified, subdomains are always included.
...And 10 more matches

HTMLButtonElement - Web APIs
htmlbuttonelement.accesskey is a domstring indicating the single-character keyboard key to give access to the button.
... htmlbuttonelement.formaction is a domstring reflecting the uri of a resource that processes information submitted by the button.
... htmlbuttonelement.formenctype is a domstring reflecting the type of content that is used to submit the form to the server.
...And 10 more matches

KeyboardEvent.location - Web APIs
possible values are: constant value description dom_key_location_standard 0 the key has only one version, or can't be distinguished between the left and right versions of the key, and was not pressed on the numeric keypad or a key that is considered to be part of the keypad.
... dom_key_location_left 1 the key was the left-hand version of the key; for example, the left-hand control key was pressed on a standard 101 key us keyboard.
... dom_key_location_right 2 the key was the right-hand version of the key; for example, the right-hand control key is pressed on a standard 101 key us keyboard.
...And 10 more matches

PerformanceResourceTiming - Web APIs
performanceresourcetiming.workerstartread only returns a domhighrestimestamp immediately before dispatching the fetchevent if a service worker thread is already running, or immediately before starting the service worker thread if it is not already running.
... performanceresourcetiming.redirectstartread only a domhighrestimestamp that represents the start time of the fetch which initiates the redirect.
... performanceresourcetiming.redirectendread only a domhighrestimestamp immediately after receiving the last byte of the response of the last redirect.
...And 10 more matches

Communicating With Other Scripts - Archive of obsolete content
content scripts that have been loaded into the same document by different methods, or the same method called more than once, can pass messages directly to each other using the dom postmessage() api or a customevent.
...a page-mod and a context-menu) they can directly communicate by dispatching and listening for customevents on dom objects they can access (e.g.
...this is true as long as both context scripts have direct access to the same dom objects.
...And 9 more matches

Introduction to SSL - Archive of obsolete content
that way, when a domestic client or server is dealing with another domestic server or client, respectively, it will negotiate the use of the strongest ciphers available.
... and when an domestic client or server is dealing with an international server or client, it will negotiate the use of those ciphers that are permitted under u.s.
...however, the steps involved can be summarized as follows (assuming the use of the cipher suites listed in "cipher suites with rsa key exchange"): the client sends the server the client's ssl version number, cipher settings, randomly generated data, and other information the server needs to communicate with the client using ssl.
...And 9 more matches

Experimental features in Firefox
html element: <dialog> the html <dialog> element and its associated dom apis provide support for html-based modal dialog boxes.
... nightly 53 yes developer edition 53 no beta 53 no release 53 no preference name dom.dialog_element.enabled global attribute: inputmode our implementation of the inputmode global attribute has been updated as per the whatwg spec (bug 1509527), but we still need to make other changes too, like making it available on contenteditable content.
... nightly 75 yes developer edition 75 no beta 75 no release 75 no preference name dom.forms.inputmode <link rel="preload"> the <link> element's rel attribute is intended to help provide performance gains by letting you download resources earlier in the page lifecycle, ensuring that they're available earlier and are less likely to block page rendering.
...And 9 more matches

Observer Notifications
browser:purge-domain-data sent after domain-specific history and other information have been purged.
... the data value is a string form of the domain.
... documents these topics indicate notifications you can monitor related to dom documents.
...And 9 more matches

nsIDocShell
method overview void addsessionstorage(in nsiprincipal principal, in nsidomstorage storage); void addstate(in nsivariant adata, in domstring atitle, in domstring aurl, in boolean areplace); void beginrestore(in nsicontentviewer viewer, in boolean top); void createaboutblankcontentviewer(in nsiprincipal aprincipal); void createloadinfo(out nsidocshellloadinfo loadinfo); void detacheditorfromwindow(); violates the xpcom inte...
...obsolete since gecko 1.8 nsisimpleenumerator getdocshellenumerator(in long aitemtype, in long adirection); nsidomstorage getsessionstorageforprincipal(in nsiprincipal principal, in domstring documenturi, in boolean create); nsidomstorage getsessionstorageforuri(in nsiuri uri, in domstring documenturi); void historypurged(in long numentries); void internalload(in nsiuri auri, in nsiuri areferrer, in nsisupports aowner, in pruint32 aflags, in wstring awindowtarget, in string atypehint, in nsiinputstream apostdatastream, in nsiinputstream aheadersstream, in unsign...
...setting this attribute overrides the encoding; however, to update the dom or display of the content, you need have the data reparsed.
...And 9 more matches

Xray vision
scripts running in web pages can add extra properties to dom objects (also known as expando properties) and even redefine standard dom objects to do something unexpected.
... for example: window.confirm() is a dom api that's supposed to ask the user to confirm an action, and return a boolean depending on whether they clicked "ok" or "cancel".
...however, there are some operations for which they are too restrictive: for example, if you need to see expandos on dom objects.
...And 9 more matches

AddressErrors - Web APIs
properties addressline a domstring which, if present, indicates that the addressline property of the paymentaddress could not be validated.
... city a domstring which, if present, indicates that the city property of the paymentaddress could not be validated.
... country a domstring which, if present, indicates that the country property of the paymentaddress could not be validated.
...And 9 more matches

CharacterData - Web APIs
characterdata.data is a domstring representing the textual data contained in this object.
... characterdata.appenddata() appends the given domstring to the characterdata.data string; when this method returns, data contains the concatenated domstring.
... characterdata.deletedata() removes the specified amount of characters, starting at the specified offset, from the characterdata.data string; when this method returns, data contains the shortened domstring.
...And 9 more matches

HTMLElement - Web APIs
htmlelement.accesskey is a domstring representing the access key assigned to the element.
... htmlelement.accesskeylabel read only returns a domstring containing the element's assigned access key.
... htmlelement.contenteditable is a domstring, where a value of true means the element is editable and a value of false means it isn't.
...And 9 more matches

Timing element visibility with the Intersection Observer API - Web APIs
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.
... these are accessed through each ad's htmlelement.dataset attribute, which provides a domstringmap mapping each custom attribute's name to its value.
...aliquam sed magna aliquam, vestibulum nisi at," + " cursus nunc.</p>"; function buildcontents() { for (let i=0; i<5; i++) { contentbox.appendchild(createarticle(loremipsum)); if (!(i % 2)) { loadrandomad(); } } } the variable loremipsum contains the text we'll use for the body of all of our articles.
...And 9 more matches

PaymentAddress - Web APIs
properties paymentaddress.addressline read only an array of domstring objects providing each line of the address not included among the other properties.
... paymentaddress.country read only a domstring specifying the country in which the address is located, using the iso-3166-1 alpha-2 standard.
... paymentaddress.city read only a domstring which contains the city or town portion of the address.
...And 9 more matches

PerformanceNavigationTiming - Web APIs
performanceentry.starttime read only returns a domhighrestimestamp with a value of "0".
... the interface also supports the following properties: performancenavigationtiming.domcomplete read only a domhighrestimestamp representing a time value equal to the time immediately before the browser sets the current document readiness of the current document to complete.
... performancenavigationtiming.domcontentloadedeventend read only a domhighrestimestamp representing the time value equal to the time immediately after the current document's domcontentloaded event completes.
...And 9 more matches

Index - Developer guides
2 ajax ajax, dom, json, javascript, references, xmlhttprequest asynchronous javascript and xml, while not a technology in itself, is a term coined in 2005 by jesse james garrett, that describes a "new" approach to using a number of existing technologies together 3 community ajax if you know of useful mailing lists, newsgroups, forums, or other communities related to ajax, please link to them here.
... 17 event developer guide dom, event, guide, needsupdate, events events refers both to a design pattern used for the asynchronous handling of various incidents which occur in the lifetime of a web page and to the naming, characterization, and use of a large number of incidents of different types.
... 18 creating and triggering events advanced, dom, guide, javascript, needscontent, events this article demonstrates how to create and dispatch dom events.
...And 9 more matches

Set-Cookie - HTTP
header type response header forbidden header name no forbidden response-header name yes syntax set-cookie: <cookie-name>=<cookie-value> set-cookie: <cookie-name>=<cookie-value>; expires=<date> set-cookie: <cookie-name>=<cookie-value>; max-age=<non-zero-digit> set-cookie: <cookie-name>=<cookie-value>; domain=<domain-value> set-cookie: <cookie-name>=<cookie-value>; path=<path-value> set-cookie: <cookie-name>=<cookie-value>; secure set-cookie: <cookie-name>=<cookie-value>; httponly set-cookie: <cookie-name>=<cookie-value>; samesite=strict set-cookie: <cookie-name>=<cookie-value>; samesite=lax set-cookie: <cookie-name>=<cookie-value>; samesite=none // multiple attributes are also possible, for exam...
...ple: set-cookie: <cookie-name>=<cookie-value>; domain=<domain-value>; secure; httponly attributes <cookie-name>=<cookie-value> a cookie begins with a name-value pair: a <cookie-name> can be any us-ascii characters, except control characters, spaces, or tabs.
... __host- prefix: cookies with names starting with __host- must be set with the secure flag, must be from a secure page (https), must not have a domain specified (and therefore aren't sent to subdomains) and the path must be /.
...And 9 more matches

JavaScript technologies overview - JavaScript
one of them is the core language (ecmascript), another is the collection of the web apis, including the dom (document object model).
... dom apis webidl the webidl specification provides the glue between the dom technologies and ecmascript.
... the core of the dom the document object model (dom) is a cross-platform, language-independent convention for representing and interacting with objects in html, xhtml and xml documents.
...And 9 more matches

StringView - Archive of obsolete content
ript 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 easily manipulate raw binary data.
...*/ for (var ninptidx = nstartidx, noutptidx = 0; noutptidx < noutptlen; ninptidx += fgetinptchrsize(nchrcode)) { nchrcode = fgetinptchrcode(vsource, ninptidx); noutptidx = fputoutptcode(awhole, nchrcode, noutptidx); } break conversionswitch; case 4: /* domstring to ascii or binarystring or other unknown encodings */ awhole = new ftaview(noutptlen); /* transcription...
... */ for (var nidx = 0; nidx < noutptlen; nidx++) { awhole[nidx] = vsource.charcodeat(nidx) & 0xff; } break conversionswitch; case 5: /* domstring to utf-8 or to utf-16 */ /* mapping...
...And 8 more matches

No Proxy For configuration - Archive of obsolete content
this feature was originally designed as a "blacklist" of sites or domains that was within the intranet, and should not be accessed via the proxy server.
... entry points: preferences | advanced | proxies control-click menu for off line-online icon (network plug) configuration the no proxy list is composed of either domain elements or ipv4 address elements.
... note for former-ie users: "*" is supported only at the beginning of domain filters (*.mozilla.org).
...And 8 more matches

jspage - Archive of obsolete content
ft({});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; }for(var c in b){var g=b[c],f=e[c];e[c]=(f&&$type(g)=="object"&&$type(f)=="object")?$mixin(f,g):$unlink(g);}}return e;}function $pick(){for(var b=0,a=arguments.length; b<a;b++){if(arguments[b]!=undefined){return arguments[b];}}return null;}function $random(b,a){return math.floor(math.random()*(a-b+1)+b);}function $splat(b){var a=$type(b); return(a)?((a!="array"&&a!="arguments")?[b]:b):[];}var $time=date.now||function(){return +new date;};function $try(){for(var b=0,a=arguments.length;b<a; b++){try{return arguments[b]();}catch(c){}}return null;}function $type(a){if(a==undefined){return false;}if(a.$family){return(a.$family.name=="number"&&!isfinite(...
...id=(browser.engine.trident)?function(a){return(a.uid||(a.uid=[native.uid++]))[0];}:function(a){return a.uid||(a.uid=native.uid++);};var window=new native({name:"window",legacy:(browser.engine.trident)?null:window.window,initialize:function(a){$uid(a); if(!a.element){a.element=$empty;if(browser.engine.webkit){a.document.createelement("iframe");}a.element.prototype=(browser.engine.webkit)?window["[[domelement.prototype]]"]:{}; }a.document.window=a;return $extend(a,window.prototype);},afterimplement:function(b,a){window[b]=window.prototype[b]=a;}});window.prototype={$family:{name:"window"}}; new window(window);var document=new native({name:"document",legacy:(browser.engine.trident)?null:window.document,initialize:function(a){$uid(a);a.head=a.getelementsbytagname("head")[0]; a.html=a.getelementsb...
...;for(var a=0;a<b;a++){d[c[a]]=this[a];}return d;},link:function(c){var a={}; for(var e=0,b=this.length;e<b;e++){for(var d in c){if(c[d](this[e])){a[d]=this[e];delete c[d];break;}}}return a;},contains:function(a,b){return this.indexof(a,b)!=-1; },extend:function(c){for(var b=0,a=c.length;b<a;b++){this.push(c[b]);}return this;},getlast:function(){return(this.length)?this[this.length-1]:null;},getrandom:function(){return(this.length)?this[$random(0,this.length-1)]:null; },include:function(a){if(!this.contains(a)){this.push(a);}return this;},combine:function(c){for(var b=0,a=c.length;b<a;b++){this.include(c[b]);}return this; },erase:function(b){for(var a=this.length;a--;a){if(this[a]===b){this.splice(a,1);}}return this;},empty:function(){this.length=0;return this;},flatten:function(){var d=[]; fo...
...And 8 more matches

New Security Model for Web Services - Archive of obsolete content
when an attempt is made to access a resource at a previously-unknown uri, the sandbox reads a file at that domain with declarations to determine whether access is permitted to the script.
... same source restriction by restricting sandboxed scripts to access only resources in the domain from which they were loaded, any script loaded from one domain into another is prevented from accessing resources in the domain into which it has been loaded.
... if the sandbox is unable to distinguish the common uri substring of the domain to be trusted from similar uris of untrusted domains, then it could allow a script loaded from an indistinguishable domain to exploit firewall-protected resources.
...And 8 more matches

Elements - Archive of obsolete content
css: div { -moz-binding: url(mybinding.xml#default); } dom: elementreference.style.mozbinding = "url(mybinding.xml#default)"; in both cases above we are using binding with id="default" contained in file mybinding.xml starting with firefox 3, you can also use a data: url to embed the binding inline: div { -moz-binding: url(data:text/xml;charset=utf-8,%3c%3fxml%20version%3d%221.0%22%3f%3e%0a%3cbindings%20id%3d%22xbltestbindings%22%20xmlns%3d%22http...
... note: the normal same-origin policy is used for web sites; they can only link to xbl files on the same domain, or within the chrome.
...although you can see this content on screen as if it was directly in the file, this content is anonymous and is hidden from the normal dom.
...And 8 more matches

TLD - MDN Web Docs Glossary: Definitions of Web-related terms
a tld (top-level domain) is the most generic domain in the internet's hierarchical dns (domain name system).
... a tld is the final component of a domain name, for example, "org" in developer.mozilla.org.
... consider an example internet address: https://developer.mozilla.org here org is the tld; mozilla.org is the second-level domain name; and developer is a subdomain name.
...And 8 more matches

mozbrowsercontextmenu
general info specification non standard interface customevent bubbles yes cancelable yes target <iframe> default action none properties property type description target read only eventtarget the browser iframe type read only domstring the type of event.
... contextmenu a menu object (see the menu object, below) representing a custom menu defined via <menu> / <menuitem> elements and pointed to via a contextmenu attribute on the dom element clicked on, which contains the menu's id.
...its properties are as follows: documenturi a domstring representing the url of the document the menu is associated with.
...And 8 more matches

Overview of Mozilla embedding APIs
conceptually, for each document being rendered, gecko creates a container called a domwindow.
... each webbrowser exposes a tree of domwindows - representing the frame hierarchy for the current document.
... as such, access to individual document frames is done via the domwindow interfaces.
...And 8 more matches

nsIWebContentHandlerRegistrar
: nsisupports last changed in gecko 8.0 (firefox 8.0 / thunderbird 8.0 / seamonkey 2.5) implemented by @mozilla.org/embeddor.implemented/web-content-handler-registrar;1 as a service: var nsiwchr = cc["@mozilla.org/embeddor.implemented/web-content-handler-registrar;1"] .getservice(ci.nsiwebcontenthandlerregistrar); method overview void registercontenthandler(in domstring mimetype, in domstring uri, in domstring title, in nsidomwindow contentwindow) void registerprotocolhandler(in domstring protocol,in domstring uri, in domstring title, in nsidomwindow contentwindow) methods registercontenthandler summary of registercontenthandler void registercontenthandler( in doms...
...tring mimetype, in domstring uri, in domstring title, in nsidomwindow contentwindow ); parameters mimetype the desired mime type as a string uri the uri to the handler as a string.
... contentwindow the dom content window from which the method has been called.
...And 8 more matches

nsIXULTemplateBuilder
as an example, for an xml data source the initial reference point would be a specific node in the dom tree and a template might generate a list of all child nodes.
...a template builder is attached to a single dom node; this node is called the root node and is expected to contain a xul template element as a direct child.
...if a result passes a rule's conditions, this is considered a match, and the content within the rule's <action> body is inserted as a sibling of the <template>, assuming the template builder creates real dom content.
...And 8 more matches

Network request list - Firefox Developer Tools
domain: domain of the path requested.
... if the request used ssl/tls and the connection had security weaknesses such as weak ciphers, you'll see a warning triangle next to the domain.
... y hover over the domain to see the ip address.
...And 8 more matches

CSSCounterStyleRule - Web APIs
csscounterstylerule.name is a domstring object that contains the serialization of the <counter-style-name> defined for the associated rule.
... csscounterstylerule.system is a domstring object that contains the serialization of the system descriptor defined for the associated rule.
... csscounterstylerule.symbols is a domstring object that contains the serialization of the symbols descriptor defined for the associated rule.
...And 8 more matches

Event - Web APIs
the event interface represents an event which takes place in the dom.
... many dom elements can be set up to accept (or "listen" for) these events, and execute code in response to process (or "handle") them.
... animationevent audioprocessingevent beforeinputevent beforeunloadevent blobevent clipboardevent closeevent compositionevent cssfontfaceloadevent customevent devicelightevent devicemotionevent deviceorientationevent deviceproximityevent domtransactionevent dragevent editingbeforeinputevent errorevent fetchevent focusevent gamepadevent hashchangeevent idbversionchangeevent inputevent keyboardevent mediastreamevent messageevent mouseevent mutationevent offlineaudiocompletionevent overconstrainederror pagetransitionevent paymentrequestupdateevent pointerevent popstateevent progressevent relatedevent rtcdatachanne...
...And 8 more matches

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(i...
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
...And 8 more matches

Parsing and serializing XML - Developer guides
at times, you may need to parse xml content and convert it into a dom tree, or, conversely, serialize an existing dom tree into xml.
... xmlserializer serializes dom trees, converting them into strings containing xml.
... domparser constructs a dom tree by parsing a string containing xml, returning a xmldocument or document as appropriate based on the input data.
...And 8 more matches

JavaScript modules - JavaScript
15disabled disabled from version 15: this feature is behind the experimental javascript features preference.firefox full support 60 full support 60 no support 54 — 60disabled disabled from version 54 until version 60 (exclusive): this feature is behind the dom.modulescripts.enabled preference.
... full support 61chrome android full support 61firefox android full support 60 full support 60 no support 54 — 60disabled disabled from version 54 until version 60 (exclusive): this feature is behind the dom.modulescripts.enabled preference.
... 15disabled disabled from version 15: this feature is behind the experimental javascript features preference.firefox full support 60 full support 60 no support 54 — 60disabled disabled from version 54 until version 60 (exclusive): this feature is behind the dom.modulescripts.enabled preference.
...And 8 more matches

Using templates and slots - Web Components
this article explains how you can use the <template> and <slot> elements to create a flexible template that can then be used to populate the shadow dom of a web component.
...this element and its contents are not rendered in the dom, but it can still be referenced using javascript.
... let's look at a trivial quick example: <template id="my-paragraph"> <p>my paragraph</p> </template> this won't appear in your page until you grab a reference to it with javascript and then append it to the dom, using something like the following: let template = document.getelementbyid('my-paragraph'); let templatecontent = template.content; document.body.appendchild(templatecontent); although trivial, you can already start to see how this could be useful.
...And 8 more matches

Interacting with page scripts - Archive of obsolete content
with unsafewindow you can see javascript objects that have been defined by page scripts, and if a page script has modified the behavior of native dom functions, you'll get the modified version of them as well.
... communicating with page scripts there are two different ways a content script can communicate with a page script: using the dom postmessage() api using custom dom events using the dom postmessage api note that before firefox 31 code in content scripts can't use window to access postmessage() and addeventlistener() and instead must use document.defaultview.
... content script to page script suppose we have a page called "listen.html" hosted at "my-domain.org", and we want to send messages from the add-on to a script embedded in that page.
...And 7 more matches

Tabbed browser - Archive of obsolete content
eryinterface(components.interfaces.nsiinterfacerequestor) .getinterface(components.interfaces.nsiwebnavigation) .queryinterface(components.interfaces.nsidocshelltreeitem) .roottreeitem .queryinterface(components.interfaces.nsiinterfacerequestor) .getinterface(components.interfaces.nsidomwindow); mainwindow.gbrowser.addtab(...); from a dialog if your code is running in a dialog opened directly by a browser window, you 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...
... gbrowser.tabcontainer.advanceselectedtab(-1, true); detecting page load see also code snippets:on page load function examplepageload(event) { if (event.originaltarget instanceof components.interfaces.nsidomhtmldocument) { var win = event.originaltarget.defaultview; if (win.frameelement) { // frame within a tab was loaded.
...for example: var num = gbrowser.browsers.length; for (var i = 0; i < num; i++) { var b = gbrowser.getbrowseratindex(i); try { dump(b.currenturi.spec); // dump urls of all open tabs to console } catch(e) { components.utils.reporterror(e); } } to learn what methods are available for <browser/> and <tabbrowser/> elements, use dom inspector or look in browser.xml for corresponding xbl bindings (or just look at the current reference pages on browser and tabbrowser.
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JavaScript crypto - Archive of obsolete content
most of these services are available via the dom window object as window.crypto.
... services are provided to enable: smart card events, generating certificate requests, importing user certs, generating random numbers, logging out of your tokens, and signing text.
...="load" value="submit"></p> </form> <script> /* the following values could be filled in by the server cgi */ var nickname= "mycertnickname"; var cert = "mkjflakdjfiwjflaksufklasf ..."; var forcebackup = false; function loadcertificate() { window.crypto.importusercertificates(nickname, cert, forcebackup); return false; } document.forms[0].onsubmit = loadcertificate; </script> signing text domstring signtext(domstring stringtosign, domstring caoption /* ...
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XML in Mozilla - Archive of obsolete content
supported core xml w3c recommendations the core xml support includes parsing xml without validation (we use the expat parser), displaying xml with css, manipulating xml documents with scripts via dom, associating stylesheets with xml documents, and namespaces in xml.
...other notes a lot of the document object model (dom, w3c recommendations and drafts) applies to xml.
...for example, dom related questions should probably be discussed in the mozilla.dev.tech.dom newsgroup, while style issues should be discussed on mozilla.dev.tech.css and so on.
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A XUL Bestiary - Archive of obsolete content
object models: dom and aom the document object model is the representation of a document as a series of scriptable objects.
... when a scripting language like javascript accesses various parts of an html document, it does so by means of the dom.
...the w3c has standardized on a particular dom and already has a candidate recommendation for an updated version.
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XUL Events - Archive of obsolete content
this event would be used to update the disabled status of its commands.dommenuitemactivethe dommenuitemactive event is executed when a <menu> or a <menuitem> has been hovered or highlighted.dommenuiteminactivethe dommenuiteminactive event is executed when a <menu> or a <menuitem> in no longer hovered or highlighted.popuphiddenthe popuphidden event is executed when a <menupopup>, <panel> or <tooltip> has become hidden.popuphidingthe popuphiding event is executed when a <...
... inherited dom events event description blur the opposite of the focus event, the blur event is passed after an element loses the focus.
... attribute: ondblclick dommousescroll this event is sent when the mouse wheel is moved, whether it results in content being scrolled or not.
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Index - Archive of obsolete content
312 reserved dom, deprecated, events no summary!
... 422 deprecated and defunct markup reference, xul {many elements on this page are wrongly marked as deprecated, this page needs review} 423 dynamically modifying xul-based user interface add-ons, dom, extensions, xul this article discusses manipulating xul interfaces, using dom and other apis.
... it explains the concept of dom documents, demonstrates a few simple examples of using dom calls to perform basic manipulations on a document, and then demonstrates working with anonymous xbl content using mozilla-specific methods.
...And 7 more matches

Writing JavaScript for XHTML - Archive of obsolete content
solution: use dom methods many people avoided dom methods because of the typing to create one simple element, when document.write() worked.
...use dom methods to create all of your elements, attributes and other nodes.
...for example: var string = '<div xmlns="http://www.w3.org/999/xhtml"><h1>hello world!</h1></div>'; var parser = new domparser(); var documentfragment = parser.parsefromstring(string, "text/xml"); body.appendchild(documentfragment); // assuming 'body' is the body element but be aware that if your string is not well-formed xml (e.g., you have an & where it should not be), then this method will crash, leaving you with a parser error.
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Cooperative asynchronous JavaScript: Timeouts and intervals - Learn web development
note: if you want to perform some kind of simple constant dom animation, css animations are probably faster.
... if, however, you are doing something more complex and involving objects that are not directly accessible inside the dom (such as 2d canvas api or webgl objects), requestanimationframe() is the better option in most cases.
... when the start button is pressed, a spinner like the one we saw earlier is displayed for a random amount of time between 5 and 10 seconds.
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Silly story generator - Learn web development
previous overview: first steps in this assessment you'll be tasked with taking some of the knowledge you've picked up in this module's articles and applying it to creating a fun app that generates random silly stories.
... project brief you have been provided with some raw html/css and a few text strings and javascript functions; you need to write the necessary javascript to turn this into a working program, which does the following: generates a silly story when the "generate random story" button is pressed.
... will generate another random silly story if you press the button again (and again...) the following screenshot shows an example of what the finished program should output: to give you more of an idea, have a look at the finished example (no peeking at the source code!) steps to complete the following sections describe what you need to do.
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What is JavaScript? - Learn web development
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.
... every time you see a popup window appear on a page, or some new content displayed (as we saw above in our simple demo) for example, that's the dom in action.
... next, go to your text editor and add the following in your head — just before your closing </head> tag: <script> // javascript goes here </script> now we'll add some javascript inside our <script> element to make the page do something more interesting — add the following code just below the "// javascript goes here" line: document.addeventlistener("domcontentloaded", function() { function createparagraph() { let para = document.createelement('p'); para.textcontent = 'you clicked the button!'; document.body.appendchild(para); } const buttons = document.queryselectorall('button'); for(let i = 0; i < buttons.length ; i++) { buttons[i].addeventlistener('click', createparagraph); } }); save your file and refresh the br...
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Getting started with React - Learn web development
familiarity with both html and javascript will help you to learn jsx, and better identify whether bugs in your application are related to javascript or to the more specific domain of react.
... to build for the web, developers use react in tandem with reactdom.
... react and reactdom are often discussed in the same spaces as — and utilized to solve the same problems as — other true web development frameworks.
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nsICookieManager2
void add( in autf8string ahost, in autf8string apath, in acstring aname, in acstring avalue, in boolean aissecure, in boolean aishttponly, in boolean aissession, in print64 aexpiry ); parameters ahost the host or domain for which the cookie is set.
... presence of a leading dot indicates a domain cookie; otherwise, the cookie is treated as a non-domain cookie.
...to be a domain cookie, the host must have at least two subdomain parts (e.g.
...And 7 more matches

nsISelectionPrivate
dom/base/nsiselectionprivate.idlscriptable internal support for content selection handling.
... void getrangesforinterval(in nsidomnode beginnode, in print32 beginoffset, in nsidomnode endnode, in print32 endoffset, in prbool allowadjacent, out pruint32 resultcount, [retval, array, size_is(resultcount)] out nsidomrange results); void getrangesforintervalarray(in nsinode beginnode, in print32 beginoffset, in nsinode endnode, in print32 endoffset, in boolean allowadjacent, in rangearray results); native code only!
... void getrangesforintervalcomarray(in nsidomnode beginnode, in print32 beginoffset, in nsidomnode endnode, in print32 endoffset, in prbool allowadjacent, in rangearray results); native code only!
...And 7 more matches

nsISmsService
dom/sms/interfaces/nsismsservice.idlscriptable used to send sms text messages for the websms api 1.0 66 introduced gecko 13.0 inherits from: nsisupports last changed in gecko 15.0 (firefox 15.0 / thunderbird 15.0 / seamonkey 2.12) implemented by: @mozilla.org/sms/smsservice;1.
... to create an instance, use: var smsservice = components.classes["@mozilla.org/sms/smsservice;1"] .createinstance(components.interfaces.nsismsservice); method overview [implicit_jscontext] nsidommozsmsmessage createsmsmessage(in long id, in domstring delivery, in domstring sender, in domstring receiver, in domstring body, in jsval timestamp, in bool read ); unsigned short getnumberofmessagesfortext(in domstring text); boolean hassupport(); void send(in domstring number, in domstring message, in long requestid, [optional] in unsigned long long processid); methods createsmsmessage() [implicit_jscontext] nsidommozsmsmessage createsmsmessage( in long id, in domstring delivery, in domstring sender, in domstring receiver, i...
...n domstring body, in jsval timestamp, in bool read ); parameters id a number representing the id of the message.
...And 7 more matches

Streams - Plugins
random-access mode: the plug-in calls the npn_requestread method to "pull" stream data.
... receiving a stream sending a stream receiving a stream when the browser sends a 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.
...seekable streams support random access (for example, local files or http servers that support byte-range requests).
...And 7 more matches

HTMLScriptElement - Web APIs
htmlscriptelement.type is a domstring representing the mime type of the script.
... htmlscriptelement.src is a domstring representing the url of an external script.
... htmlscriptelement.event is a domstring; an obsolete way of registering event handlers on elements in an html document.
...And 7 more matches

IDBDatabaseSync - Web APIs
method overview idbobjectstoresync createobjectstore (in domstring name, in domstring keypath, in optional boolean autoincrement) raises (idbdatabaseexception); idbobjectstoresync openobjectstore (in domstring name, in optional unsigned short mode) raises (idbdatabaseexception); void removeobjectstore (in domstring storename) raises (idbdatabaseexception); void setversion (in domstring version); idbtransactionsync trans...
...action (in optional domstringlist storenames, in optional unsigned int timeout) raises (idbdatabaseexception); attributes attribute type description description readonly domstring the human-readable description of the connected database.
... name readonly domstring the name of the connected database.
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Node.isSupported() - Web APIs
the node.issupported()returns a boolean flag containing the result of a test whether the dom implementation implements a specific feature and this feature is supported by the specific node.
... syntax boolvalue = element.issupported(feature, version) parameters feature is a domstring containing the name of the feature to test.
... this is the same name which can be passed to the method hasfeature on domimplementation.
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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 ...
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
...And 7 more matches

SVGNumberList - Web APIs
note: starting in gecko 5.0,the svgnumberlist dom interface is now indexable and can be accessed like arrays.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
...And 7 more matches

URLUtilsReadOnly - Web APIs
urlutilsreadonly.href read only is a domstring containing the whole url.
... urlutilsreadonly.protocol read only is a domstring containing the protocol scheme of the url, including the final ':'.
... urlutilsreadonly.host read only is a domstring containing the host, that is the hostname, a ':', and the port of the url.
...And 7 more matches

Window.open() - Web APIs
syntax var window = window.open(url, windowname, [windowfeatures]); parameters url a domstring indicating the url of the resource to be loaded.
... 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.
... windowfeatures optional a domstring containing a comma-separated list of window features given with their corresponding values in the form "name=value".
...And 7 more matches

WorkerLocation - Web APIs
urlutilsreadonly.href read only is a stringifier that returns a domstring containing the whole url of the script executed in the worker.
... urlutilsreadonly.protocol read only is a domstring containing the protocol scheme of the url of the script executed in the worker, including the final ':'.
... urlutilsreadonly.host read only is a domstring containing the host, that is the hostname, a ':', and the port of the url of the script executed in the worker.
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ARIA: row role - Accessibility
aria-colindex attribute the aria-colindex attribute is only needed if columns are hidden from the dom.
...for example, in a table with 15 columns, and columns 4, 5, and 6 are in the dom, aria-colindex="4" could be set on every row.
... if the set of columns which is present in the dom is not contiguous, or if there are cells spanning more than one row or column, put the aria-colindex on all of the children of each row instead of on the row itself.
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HTTP Index - HTTP
8 identifying resources on the web domain, http, path, scheme, syntax, uri, url, url syntax, web, fragment, port, query, resources the target of an http request is called a "resource", whose nature isn't defined further; it can be a document, a photo, or anything else.
... 102 csp: style-src-attr csp, content, content-security-policy, directive, http, reference, security, style, source, style-src, style-src-attr the http content-security-policy (csp) style-src-attr directive specifies valid sources for inline styles applied to individual dom elements.
... 104 csp: trusted-types the http content-security-policy (csp) trusted-types directive instructs user agents to restrict usage of known dom xss sinks to a predefined set of functions that only accept non-spoofable, typed values in place of strings.
...And 7 more matches

HTTP Public Key Pinning (HPKP) - HTTP
web clients such as browsers trust a lot of these cas, which can all create certificates for arbitrary domain names.
... enabling hpkp to enable this feature for your site, you need to return the public-key-pins http header when your site is accessed over https: public-key-pins: pin-sha256="base64=="; max-age=expiretime [; includesubdomains][; report-uri="reporturi"] pin-sha256 the quoted string is the base64 encoded subject public key information (spki) fingerprint.
... includesubdomains optional if this optional parameter is specified, this rule applies to all of the site's subdomains as well.
...And 7 more matches

requiredFeatures - SVG: Scalable Vector Graphics
to detect availability of an svg feature from script, there is the (also deprecated) domimplementation.hasfeature() method.
...these same feature strings apply to the hasfeature method call that is part of the svg dom's support for the domimplementation interface.
... http://www.w3.org/tr/svg11/feature#svg at least one of the following feature is supported: http://www.w3.org/tr/svg11/feature#svg-static http://www.w3.org/tr/svg11/feature#svg-animation http://www.w3.org/tr/svg11/feature#svg-dynamic http://www.w3.org/tr/svg11/feature#svgdom http://www.w3.org/tr/svg11/feature#svgdom at least one of the following feature is supported: http://www.w3.org/tr/svg11/feature#svgdom-static http://www.w3.org/tr/svg11/feature#svgdom-animation http://www.w3.org/tr/svg11/feature#svgdom-dynamic http://www.w3.org/tr/svg11/feature#svg-static the browser supports all the following features: http://www.w3.org/tr/svg11/fe...
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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.
... ready this event is emitted when the dom for a tab's content is ready.
... it is equivalent to the domcontentloaded event for the given content page.
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Chapter 2: Technologies used in developing extensions - Archive of obsolete content
listing 3: an example of a class definition in javascript function myclass() { } myclass.prototype = { property1 : true, property2 : 'string', method : function() { alert('hello, world!'); } }; var obj = new myclass(); obj.method(); dom: an api for manipulating xml documents the document object model (dom) is a technical standard promulgated by the w3c, and is an api for manipulating the contents of xml documents as objects.
... in earlier dynamic html approaches, the typical method was to use the innerhtml property of the html element node to dynamically change the contents of the html document by manipulating strings, but using the dom makes it possible to manipulate xml documents in a way that better matches javascript's object-oriented nature.
... in addition, xul lacks any equivalent for the innerhtml property, so if it weren’t for the dom, dynamic processing would be impossible.
...And 6 more matches

Parsing microformats in JavaScript - Archive of obsolete content
normalizeddate = microformats.parser.datetimegetter(propnode, parentnode); parameters propnode the dom node to check.
... propertyvalue = microformats.parser.defaultgetter(propnode, parentnode, datatype); parameters propnode the dom node to check.
...email = microformats.parser.emailgetter(propnode, parentnode); parameters propnode the dom node to check.
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How to build custom form controls - Learn web development
note: we'll focus on building the control, not on how to make the code generic and reusable; that would involve some non-trival javascript code and dom manipulation in an unknown context, and that is out of the scope of this article.
... function () { document.body.classlist.remove("no-widget"); document.body.classlist.add("widget"); }); without js with js check out the source code note: if you really want to make your code generic and reusable, instead of doing a class switch it's far better to just add the widget class to hide the <select> elements, and to dynamically add the dom tree representing the custom control after every <select> element in the page.
... making the job easier in the code we are about to build, we will use the standard javascript and dom apis to do all the work we need.
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What went wrong? Troubleshooting JavaScript - Learn web development
a logic error at this point, the game should play through fine, however after playing through a few times you'll undoubtedly notice that the "random" number you've got to guess is always 1.
... search for the randomnumber variable, and the lines where the random number is first set.
... the instance that stores the random number that we want to guess at the start of the game should be around line number 44: let randomnumber = math.floor(math.random()) + 1; and the one that generates the random number before each subsequent game is around line 113: randomnumber = math.floor(math.random()) + 1; to check whether these lines are indeed the problem, let's turn to our friend console.log() again — insert the following line directly below each of the above two lines: console.log(randomnumber); save and refresh, then play a few games — you'll see that randomnumber is equal to 1 at each point where it is logged to the console.
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sslerr.html
peer does not support high-grade encryption." the local system was configured to support the cipher suites permitted for domestic use.
...peer requires high-grade encryption which is not supported." the remote system was configured to support the cipher suites permitted for domestic use.
... -12278 (unused) ssl_error_wrong_certificate -12277 "client authentication failed: private key in key database does not correspond to public key in certificate database." ssl_error_bad_cert_domain -12276 "unable to communicate securely with peer: requested domain name does not match the server's certificate." this error code should be returned by the certificate authentication callback function when it detects that the common name in the remote server's certificate does not match the hostname sought by the local client, according to the matching rules specified for cert...
...And 6 more matches

nsIEventListenerService
method overview void geteventtargetchainfor(in nsidomeventtarget aeventtarget, [optional] out unsigned long acount, [retval, array, size_is(acount)] out nsidomeventtarget aoutarray); void getlistenerinfofor(in nsidomeventtarget aeventtarget, [optional] out unsigned long acount, [retval, array, size_is(acount)] out nsieventlistenerinfo aoutarray); boolean haslistenersfor(in nsidomeventtarget aeventtarget, in domstring ...
...atype); void addsystemeventlistener(in nsidomeventtarget target, in domstring type, in nsidomeventlistener listener, in boolean usecapture); void removesystemeventlistener(in nsidomeventtarget target, in domstring type, in nsidomeventlistener listener, in boolean usecapture); attributes attribute type description systemeventgroup nsidomeventgroup returns system event group.
...void geteventtargetchainfor( in nsidomeventtarget aeventtarget, [optional] out unsigned long acount, [retval, array, size_is(acount)] out nsidomeventtarget aoutarray ); parameters aeventtarget the nsidomeventtarget for which to return the event target chain.
...And 6 more matches

nsIRadioInterfaceLayer
dom/system/gonk/nsiradiointerfacelayer.idlscriptable used to implement the interface between the telephony api and the radio hardware in a telephone.
...to create an instance, use: var radiointerfacelayer = components.classes["@mozilla.org/telephony/system-worker-manager;1"] .getservice(components.interfaces.nsiinterfacerequestor) .createinstance(components.interfaces.nsiradiointerfacelayer); method overview void answercall(in unsigned long callindex); void deactivatedatacall(in domstring cid, in domstring reason); void dial(in domstring number); void enumeratecalls(in nsiriltelephonycallback callback); void getdatacalllist(); unsigned short getnumberofmessagesfortext(in domstring text); void hangup(in unsigned long callindex); void registercallback(in nsiriltelephonycallback callback); void registerdatacallcallback(in nsirildatacallback callback); void rejec...
...tcall(in unsigned long callindex); void sendsms(in domstring number, in domstring message, in long requestid, in unsigned long long processid); void setupdatacall(in long radiotech, in domstring apn, in domstring user, in domstring passwd, in long chappap, in domstring pdptype); void starttone(in domstring dtmfchar); void stoptone(); void unregistercallback(in nsiriltelephonycallback callback); void unregisterdatacallcallback(in nsirildatacallback callback); attributes attribute type description currentstate jsval read only.
...And 6 more matches

nsISmsRequestManager
nsismsrequestmanager dom/sms/interfaces/nsismsrequestmanager.idlscriptable used to manage sms related requests and notifications for the websms api 1.0 66 introduced gecko 13.0 inherits from: nsisupports last changed in gecko 15.0 (firefox 15.0 / thunderbird 15.0 / seamonkey 2.12) implemented by: @mozilla.org/sms/smsrequestmanager;1.
... to create an instance, use: var smsrequestmanager = components.classes["@mozilla.org/sms/smsrequestmanager;1"] .createinstance(components.interfaces.nsismsrequestmanager); method overview long addrequest(in nsidommozsmsrequest arequest); long createrequest(in nsidommozsmsmanager amanager, out nsidommozsmsrequest arequest); void notifycreatemessagelist(in long arequestid, in long alistid, in nsidommozsmsmessage amessage); void notifygetsmsfailed(in long arequestid, in long aerror); void notifygotnextmessage(in long arequestid, in nsidommozsmsmessage amessage); void notifygotsms(in long arequestid, in nsidommozsmsmessage amessage); void notifymarkedmessageread(in long arequestid, in bool aread); void notifymarkmessagereadfailed(in long arequestid, in l...
...ong aerror); void notifynomessageinlist(in long arequestid); void notifyreadmessagelistfailed(in long arequestid, in long aerror); void notifysmsdeleted(in long arequestid, in bool adeleted); void notifysmsdeletefailed(in long arequestid, in long aerror); void notifysmssendfailed(in long arequestid, in long aerror); void notifysmssent(in long arequestid, in nsidommozsmsmessage amessage); constants all sms related errors that could apply to smsrequest objects.
...And 6 more matches

nsIXULTemplateQueryProcessor
the query is expected to consist of either text or dom nodes that, when executed by a call to the generateresults() method, will allow the generation of a list of results.
...currently, the datasource supplied to the methods will always be an nsirdfdatasource or a dom node, and will always be the same one in between calls to initializeforbuilding() and done().
... method overview void addbinding(in nsidomnode arulenode, in nsiatom avar, in nsiatom aref, in astring aexpr); print32 compareresults(in nsixultemplateresult aleft, in nsixultemplateresult aright, in nsiatom avar, in unsigned long asorthints); nsisupports compilequery(in nsixultemplatebuilder abuilder, in nsidomnode aquery, in nsiatom arefvariable, in nsiatom amembervariable); void done(); nsisimpleenumerator generateresults(in nsisupports adatasource, in nsixultemplateresult aref, in nsisupports aquery); nsisupports getdatasource(in nsiarray adatasources, in nsidomnode arootnode, in boolean aistrusted, in nsixultemplatebuilder abuilder, out boolean ashoulddelaybuilding); void initializeforbuilding(in nsisupports adatasource, in nsixultemplatebuilder abuilder, in nsidomnode aro...
...And 6 more matches

Reference Manual
nsidomnode* p = ...; while ( p ) { // ...
... nsidomnode* p = ...; while ( p ) { // ...
... nscomptr<nsidomnode> p = ...; while ( p ) { // ...
...And 6 more matches

CSSStyleDeclaration.setProperty() - Web APIs
syntax style.setproperty(propertyname, value, priority); parameters propertyname is a domstring representing the css property name (hyphen case) to be modified.
... value optional is a domstring containing the new property value.
... priority optional is a domstring allowing the "important" css priority to be set.
...And 6 more matches

Document.getElementById() - Web APIs
return value an element object describing the dom element object matching the specified id, or null if no matching element was found in the document.
... unlike some other element-lookup methods such as document.queryselector() and document.queryselectorall(), getelementbyid() is only available as a method of the global document object, and not available as a method on all element objects in the dom.
... example <!doctype html> <html> <head> <meta charset="utf-8"> <title>document</title> </head> <body> <div id="parent-id"> <p>hello word1</p> <p id="test1">hello word2</p> <p>hello word3</p> <p>hello word4</p> </div> <script> var parentdom = document.getelementbyid('parent-id'); var test1 = parentdom.getelementbyid('test1'); //throw error //uncaught typeerror: parentdom.getelementbyid is not a function </script> </body> </html> if there is no element with the given id, this function returns null.
...And 6 more matches

DocumentType - Web APIs
documenttype.internalsubset read only a domstring of the internal subset, or null if there is none.
... documenttype.name read only a domstring, eg "html" for <!doctype html>.
... documenttype.publicid read only a domstring, eg "-//w3c//dtd html 4.01//en", empty string for html5.
...And 6 more matches

HTMLBodyElement - Web APIs
htmlbodyelement.alink is a domstring that represents the color of active hyperlinks.
... htmlbodyelement.background is a domstring that represents the description of the location of the background image resource.
... htmlbodyelement.bgcolor is a domstring that represents the background color for the document.
...And 6 more matches

HTMLTableRowElement - Web APIs
htmltablerowelement.align is a domstring containing an enumerated value reflecting the align attribute.
... htmltablerowelement.bgcolor is a domstring containing the background color of the cells.
... htmltablerowelement.ch is a domstring containing one single character.
...And 6 more matches

Using IndexedDB - Web APIs
wait for the operation to complete by listening to the right kind of dom event.
...if everything succeeds, a success event (that is, a dom event whose type property is set to "success") is fired with request as its target.
...otherwise, if there was any problem, an error event (that is, a dom event whose type property is set to "error") is fired at request.
...And 6 more matches

MutationEvent - Web APIs
the mutationevent interface provides event properties that are specific to modifications to the document object model (dom) hierarchy and nodes.
... note: mutation events (w3c dom level 3 events) have been deprecated in favor of mutation observers (w3c dom4).
... preface the mutation events have been marked as deprecated in the dom events specification, as the api's design is flawed (see details in the "dom mutation events replacement: the story so far / existing points of consensus" post to public-webapps).
...And 6 more matches

RTCIceCandidate - Web APIs
properties candidate read only a domstring representing the transport address for the candidate that can be used for connectivity checks.
... component read only a domstring which indicates whether the candidate is an rtp or an rtcp candidate; its value is either "rtp" or "rtcp", and is derived from the "component-id" field in the candidate a-line string.
... foundation read only returns a domstring containing a unique identifier that is the same for any candidates of the same type, share the same base (the address from which the ice agent sent the candidate), and come from the same stun server.
...And 6 more matches

SVGPathSegList - Web APIs
exceptions: a domexception with code no_modification_allowed_err is raised when the list cannot be modified.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list cannot be modified.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list cannot be modified.
...And 6 more matches

SVGPointList - Web APIs
exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
... exceptions: a domexception with code no_modification_allowed_err is raised when the list corresponds to a read only attribute or when the object itself is read only.
...And 6 more matches

Slottable - Web APIs
specifications specification status comment domthe definition of 'slottable' in that specification.
...lchrome full support 53edge full support 79firefox full support 63 full support 63 no support 59 — 63disabled disabled from version 59 until version 63 (exclusive): this feature is behind the dom.webcomponents.shadowdom.enabled preference (needs to be set to true).
...— 59disabled disabled until version 59 (exclusive): this feature is behind the dom.webcomponents.enabled preference (needs to be set to true) and the dom.webcomponents.shadowdom.enabled preference (needs to be set to true).
...And 6 more matches

Fundamentals of WebXR - Web APIs
degrees of freedom the term degrees of freedom is an indication of how much freedom of movement the user has within the virtual world.
... diagram showing the movements possible with 3 degree of freedom hardware: yaw, roll, and pitch.
... freedom of rotational movement the first three degrees of freedom are rotational.
...And 6 more matches

Mutation events - Developer guides
mutation events provide a mechanism for a web page or an extension to get notified about changes made to the dom.
... preface the mutation events have been marked as deprecated in the dom events specification, as the api's design is flawed (see details in the "dom mutation events replacement: the story so far / existing points of consensus" post to public-webapps).
... mutation observers are the proposed replacement for mutation events in dom4.
...And 6 more matches

HTML documentation index - HTML: Hypertext Markup Language
classes allow css and javascript to select and access specific elements via the class selectors or functions like the dom method document.getelementsbyclassname.
... 13 data-* global attributes, html, reference the data-* global attributes form a class of attributes called custom data attributes, that allow proprietary information to be exchanged between the html and its dom representation by scripts.
... 28 slot global attributes, html, reference the slot global attribute assigns a slot in a shadow dom shadow tree to an element: an element with a slot attribute is assigned to the slot created by the <slot> element whose name attribute's value matches that slot attribute's value.
...And 6 more matches

Introduction to using XPath in JavaScript - XPath
mozilla implements a fair amount of the dom 3 xpath, which means that xpath expressions can be run against both html and xml documents.
...note that, if the xpathexpression contains a namespace prefix, this will result in a domexception being thrown with the code namespace_err.
... notes adapts any dom node to resolve namespaces so that an xpath expression can be easily evaluated relative to the context of the node where it appeared within the document.
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JavaScript/XSLT Bindings - XSLT: Extensible Stylesheet Language Transformations
to process part of a page's dom, it is necessary to first create an xml document in memory.
... assuming that the dom to be processed is contained by an element with the id example, that dom can be "cloned" using the in-memory xml document's document.importnode() method.
... document.importnode() allows transferring a dom fragment between documents, in this case from an html document to an xml document.
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Miscellaneous - Archive of obsolete content
example for firefox: services.startup.quit(services.startup.eforcequit|services.startup.erestart); mouse and keyboard detecting mouse wheel events when scrolling the mouse wheel on an element, the dommousescroll event fires.
...</div> <script type="text/javascript"> var elm = document.getelementbyid("scrollarea"); elm.addeventlistener("dommousescroll", function scroll(event){ //event.detail is positive for a downward scroll, negative for an upward scroll alert("scrolling " + event.detail + " lines"); }, false); </script> if you do not receive a dommousescroll event while holding any of the modifier keys (ctrl,shift,alt,meta) you should check the mousewheel.withcontrolkey.action and related preferences.
...if set, you will receive dommousescroll events.
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Anonymous Content - Archive of obsolete content
scoping and access using the dom when a binding is attached and certain conditions are met, the children of the binding's content element are cloned.
... dom methods that can be invoked on elements (e.g., getelementsbytagname) will only see nodes that are in the same scope.
... handling dom changes insertion points continuing to be used as elements are inserted or removed from the dom.
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Binding Attachment and Detachment - Archive of obsolete content
note: some older papers mentioned dom methods document.addbinding and document.removebinding; these were subsequently discarded as redundant and not implemented.
... when a binding is attached using the dom, it inherits from the current most derived binding that may already be attached to the element.
...binding document loads suppress the firing of the dom load event for the bound document.
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tree - Archive of obsolete content
tree type view interfaces has dom nodes?
...dom treeitems are not created.
... even though the template uses treeitem elements to define the content, dom nodes for these elements are not created.
...And 5 more matches

Publishing your website - Learn web development
getting hosting and a domain name to have more control over content and website appearance, most people choose to buy web hosting and a domain name: web hosting is rented file space on a hosting company's web server.
... a domain name is the unique address where people find your website, such as http://www.mozilla.org or http://www.bbc.co.uk.
... you can rent your domain name for as many years as you want from a domain registrar.
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Functions — reusable blocks of code - Learn web development
the source string, // with the target string, and returns the newly formed string or every time we manipulated an array: let myarray = ['i', 'love', 'chocolate', 'frogs']; let madeastring = myarray.join(' '); console.log(madeastring); // the join() function takes an array, joins // all the array items together into a single // string, and returns this new string or every time we generated a random number: let mynumber = math.random(); // the random() function generates a random number between // 0 and up to but not including 1, and returns that number ...we were using a function!
...in our random-canvas-circles.html example (see also the full source code) from our loops article, we included a custom draw() function that looked like this: function draw() { ctx.clearrect(0,0,width,height); for (let i = 0; i < 100; i++) { ctx.beginpath(); ctx.fillstyle = 'rgba(255,0,0,0.5)'; ctx.arc(random(width), random(height), random(50), 0, 2 * math.pi); ctx.fill(); } } this funct...
...ion draws 100 random circles inside a <canvas> element.
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Routing in Ember - Learn web development
go to the todomvc/app/templates/application.hbs file and replace <todolist /> with {{outlet}} next, in our index.hbs, completed.hbs, and active.hbs templates (also found in the templates directory) we can for now just enter the todolist component invocation.
...for todomvc, the capabilities of model aren't that important to us; you can find more information in the ember model guide if you want to dig deeper.
... the index route model first of all, update todomvc/app/routes/index.js so it looks as follows: import route from '@ember/routing/route'; import { inject as service } from '@ember/service'; export default class indexroute extends route { @service('todo-data') todos; model() { let todos = this.todos; return { get alltodos() { return todos.all; } } } } we can now update the todomvc/app/templates/index.hbs file so that when it includes the <todolist /> component, it does so explicitly with the available model, calling its alltodos() getter to make sure all of the todos are shown.
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Working with Svelte stores - Learn web development
previous overview: client-side javascript frameworks next in the last article we completed the development of our app, finished organizing it into components, and discussed some advanced techniques for dealing with reactivity, working with dom nodes, and exposing component functionality.
...remember that we can access top-level variables from the markup, and whenever they are modified the dom will update accordingly.
...in the callback function we just assign the value we receive to the local variable, which will trigger the update of the component's dom.
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Understanding client-side JavaScript frameworks - Learn web development
we are not aiming to exhaustively teach you everything you need to know about react/reactdom, or vue, or some other specific framework; the framework teams' own docs (and other resources) do that job already.
...framework main features each major javascript framework has a different approach to updating the dom, handling browser events, and providing an enjoyable developer experience.
... react tutorials note: react tutorials last tested in may 2020, with react/reactdom 16.13.1 and create-react-app 3.4.1.
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Limitations of chrome scripts
however, these shims are not a substitute for migrating extensions: they are only a temporary measure, and will be removed eventually they can have a bad effect on responsiveness there are likely to be edge cases in which they don't work properly you can see all the places where your add-on uses compatibility shims by setting the dom.ipc.shims.enabledwarnings preference and watching the browser console as you use the add-on.
...there is a shim that gives you access to the domwindow property of the nsiwebprogress object passed into onstatechange.
... however, the domwindow is passed asynchronously, so by the time the chrome process receives it, the dom might have changed (for example, because code running in the content process modified it or we navigated to a different page).
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Rhino overview
second, the value of the property security.requiresecuritydomain should be changed to true in the resource bundle org.mozilla.javascript.resources.security.
... the value of this property can be determined at runtime by calling the issecuritydomainrequired method of context.
... setting this property to true requires that any calls that compile or evaluate javascript must supply a security domain object of any object type that will be used to identify javascript code.
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nsIDragService
the only exception is getcurrentsession(), since there's currently no way to check for a drag in progress using standard dom methods or properties.
... nsidragsession getcurrentsession( ) ; void invokedragsession( in nsidomnode adomnode, in nsisupportsarray atransferables, in nsiscriptableregion aregion, in unsigned long aactiontype ); void invokedragsessionwithimage(in nsidomnode adomnode, in nsisupportsarray atransferablearray, in nsiscriptableregion aregion, in unsigned long aactiontype, in nsidomnode aimage, in long aimagex, in long aimagey, in nsidomdragevent adragevent, in nsidomdatatransfer adatatran...
...sfer); void invokedragsessionwithselection(in nsiselection aselection, in nsisupportsarray atransferablearray, in unsigned long aactiontype, in nsidomdragevent adragevent, in nsidomdatatransfer adatatransfer); void startdragsession( ) ; void suppress(); void unsuppress(); constants constant value description dragdrop_action_none 0 no action.
...And 5 more matches

nsIXMLHttpRequestEventTarget
1.0 66 introduced gecko 1.9.1 inherits from: nsidomeventtarget last changed in gecko 5.0 (firefox 5.0 / thunderbird 5.0 / seamonkey 2.2) attributes attribute type description onabort nsidomeventlistener a javascript function object that gets invoked if the operation is canceled by the user.
... onerror nsidomeventlistener a javascript function object that gets invoked if the operation fails to complete due to an error.
... onload nsidomeventlistener a javascript function object that gets invoked when the operation is successfully completed.
...And 5 more matches

nsIXSLTProcessor
to create an instance, use: var xsltprocessor = components.classes["@mozilla.org/document-transformer;1?type=xslt"] .createinstance(components.interfaces.nsixsltprocessor); method overview void clearparameters(); nsivariant getparameter(in domstring namespaceuri, in domstring localname); void importstylesheet(in nsidomnode style); void removeparameter(in domstring namespaceuri, in domstring localname); void reset(); void setparameter(in domstring namespaceuri, in domstring localname, in nsivariant value); nsidomdocument transformtodocument(in nsidomnode source); nsidomdocumentfragment transformtofragment(in nsidomnode sourc...
...e, in nsidomdocument output); methods clearparameters() removes all set parameters from this nsixsltprocessor.
...nsivariant getparameter( in domstring namespaceuri, in domstring localname ); parameters namespaceuri the namespaceuri of the xslt parameter.
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Working with windows in chrome code
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.
... technically speaking, it implements a number of interfaces, including nsidomjswindow and nsidomwindow, but it also contains the user-defined properties for global variables and functions of the window.
... so, for example, to access the dom document corresponding to the window, you can use win.document.
...And 5 more matches

Debugger.Source - Firefox Developer Tools
element the debugger.object instance referring to the dom element to which this source code belongs, if any, or undefined if it belongs to no dom element.
... source belongs to a dom element in the following cases: source belongs to a <script> element if it is the element’s text content (that is, it is written out as the body of the <script> element in the markup text), or is the source document referenced by its src attribute.
... source belongs to a dom element if it is an event handler content attribute (that is, if it is written out in the markup text as an attribute value).
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Examine and edit HTML - Firefox Developer Tools
shadow roots any shadow roots present in the dom are exposed in the html page in the same manner as the regular dom.
... the shadow root is signified by a node named #shadow-root — you can click its expansion arrow to see the full contents of the shadow dom, and then manipulate the contained nodes in a similar way to other part of the page's dom (although with a limited featureset — you can't, for example, drag and drop or delete shadow dom nodes).
... if a shadow dom contains a "slotted" element (an element with a slot attribute after it has been inserted inside a <slot> element — see adding flexibility with slots for an explanation of how these are used), the "slotted" element will be shown inside its corresponding <slot> element, with a "reveal" link alongside it.
...And 5 more matches

CSSPrimitiveValue - Web APIs
if this css value doesn't contain a counter value, a domexception is raised.
...if this css value doesn't contain a float value or can't be converted into the specified unit, a domexception is raised.
...if this css value doesn't contain a rgb color value, a domexception is raised.
...And 5 more matches

CustomEvent - Web APIs
this interface inherits properties from its parent, event: event.bubbles read only a boolean indicating whether or not the event bubbles up through the dom.
... event.composed read only a boolean indicating whether or not the event can bubble across the boundary between the shadow dom and the regular dom.
... event.deeppath an array of dom nodes through which the event has bubbled.
...And 5 more matches

Document.createDocumentFragment() - Web APIs
creates a new empty documentfragment into which dom nodes can be added to build an offscreen dom tree.
... usage notes documentfragments are dom node objects which are never part of the main dom tree.
... the usual use case is to create the document fragment, append elements to the document fragment and then append the document fragment to the dom tree.
...And 5 more matches

Element.getAttributeNS() - Web APIs
note: earlier versions of the dom specification had this method described as returning an empty string for non-existent attributes, but it was not typically implemented this way since null makes more sense.
... the dom4 specification now says this method should return null for non-existent attributes.
... prior to the dom4 specification, this method was specified to return an empty string rather than null for non-existent attributes.
...And 5 more matches

HTMLFormElement - Web APIs
the htmlformelement interface represents a <form> element in the dom.
... htmlformelement.name a domstring reflecting the value of the form's name html attribute, containing the name of the form.
... htmlformelement.method a domstring reflecting the value of the form's method html attribute, indicating the http method used to submit the form.
...And 5 more matches

HTMLMediaElement - Web APIs
htmlmediaelement.controlslist read only returns a domtokenlist that helps the user agent select what controls to show on the media element whenever the user agent shows its own set of controls.
... the domtokenlist takes one or more of three possible values: nodownload, nofullscreen, and noremoteplayback.
... htmlmediaelement.crossorigin a domstring indicating the cors setting for this media element.
...And 5 more matches

HTMLTableSectionElement - Web APIs
htmltablesectionelement.align is a domstring containing an enumerated value reflecting the align attribute.
... htmltablesectionelement.ch is a domstring containing one single chararcter.
... htmltablesectionelement.choff is a domstring containing a integer indicating how many characters must be left at the right (for left-to-right scripts; or at the left for right-to-left scripts) of the character defined by htmltablerowelement.ch.
...And 5 more matches

Basic concepts - Web APIs
so while you can access stored data within a domain, you cannot access data across different domains.
...you get notified by a dom event when the operation finishes, and the type of event you get lets you know if the operation succeeded or failed.
...requests are objects that receive the success or failure dom events that were mentioned previously.
...And 5 more matches

MouseEvent - Web APIs
mouseevent.clientx read only the x coordinate of the mouse pointer in local (dom content) coordinates.
... mouseevent.clienty read only the y coordinate of the mouse pointer in local (dom content) coordinates.
... example this example demonstrates simulating a click (that is programmatically generating a click event) on a checkbox using dom methods.
...And 5 more matches

MutationObserver.MutationObserver() - Web APIs
the dom mutationobserver() constructor — part of the mutationobserver interface — creates and returns a new observer which invokes a specified callback when dom events occur.
... dom observation does not begin immediately; the observe() method must be called first to establish which portion of the dom to watch and what kinds of changes to watch for.
... syntax const observer = new mutationobserver(callback) parameters callback a function which will be called on each dom change that qualifies given the observed node or subtree and options.
...And 5 more matches

MutationObserver.observe() - Web APIs
the mutationobserver method observe() configures the mutationobserver callback to begin receiving notifications of changes to the dom that match the given options.
... depending on the configuration, the observer may watch a single node in the dom tree, or that node and some or all of its descendant nodes.
... syntax mutationobserver.observe(target, options) parameters target a dom node (which may be an element) within the dom tree to watch for changes, or to be the root of a subtree of nodes to be watched.
...And 5 more matches

Node.nodeType - Web APIs
attributes no longer implement the node interface as of dom4.
...removed in dom4.
...removed in dom4.
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PerformanceTiming - Web APIs
some correspond to dom events; others describe the time at which internal browser operations of interest took place.
... performancetiming.domainlookupstart read only when the domain lookup starts.
... performancetiming.domainlookupend read only when the domain lookup is finished.
...And 5 more matches

RTCIceCandidate.usernameFragment - Web APIs
note that 24 bits of the username fragment are required to be randomized by the browser.
... see randomization below for details.
... syntax var ufrag = rtcicecandidate.usernamefragment; value a domstring containing the username fragment (usually referred to in shorthand as "ufrag" or "ice-ufrag") that, along with the ice password ("ice-pwd"), uniquely identifies a single ongoing ice interaction, including for any communication with the stun server.
...And 5 more matches

SVGLength - Web APIs
interface overview also implement none methods void newvaluespecifiedunits(in unsigned short unittype, in float valueinspecifiedunits) void converttospecifiedunits(in unsigned short unittype) properties readonly unsigned short unittype float value float valueinspecifiedunits domstring valueasstring constants svg_lengthtype_unknown = 0 svg_lengthtype_number = 1 svg_lengthtype_percentage = 2 svg_lengthtype_ems = 3 svg_lengthtype_exs = 4 svg_lengthtype_px = 5 svg_lengthtype_cm = 6 svg_lengthtype_mm = 7 svg_lengthtype_in = 8 svg_lengthtype_pt = 9 svg_lengthtype_pc = 10 normati...
... exceptions on setting: a domexception with code no_modification_allowed_err is raised when the length corresponds to a read only attribute or when the object itself is read only.
... exceptions on setting: a domexception with code no_modification_allowed_err is raised when the length corresponds to a read only attribute or when the object itself is read only.
...And 5 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.
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Text.splitText() - Web APIs
exceptions thrown a domexception with a value of index_size_err is thrown if the specified offset is negative or is greater than the number of 16-bit units in the node's text; a domexception with a value of no_modification_allowed_err is thrown if the node is read-only.
...r', // and save 'bar' as a const const bar = foobar.splittext(3); // create a <u> element containing ' new content ' const u = document.createelement('u'); u.appendchild(document.createtextnode(' new content ')); // add <u> before 'bar' p.insertbefore(u, bar); // the result is: <p>foo<u> new content </u>bar</p> result specifications specification status comment domthe definition of 'text.splittext' in that specification.
... living standard no change from document object model (dom) level 3 core specification.
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Getting Started - Developer guides
as a security feature, you cannot call urls on 3rd-party domains by default.
... be sure to use the exact domain name on all of your pages or you will get a "permission denied" error when you call open().
... a common pitfall is accessing your site by domain.tld, but attempting to call pages with www.domain.tld.
...And 5 more matches

Cross-Origin Resource Sharing (CORS) - HTTP
a web application executes a cross-origin http request when it requests a resource that has a different origin (domain, protocol, or port) from its own.
... an example of a cross-origin request: the front-end javascript code served from https://domain-a.com uses xmlhttprequest to make a request for https://domain-b.com/data.json.
... web fonts (for cross-domain font usage in @font-face within css), so that servers can deploy truetype fonts that can only be cross-site loaded and used by web sites that are permitted to do so.
...And 5 more matches

Connection management in HTTP/1.x - HTTP
domain sharding unless you have a very specific immediate need, don't use this deprecated technique; switch to http/2 instead.
... in http/2, domain sharding is no longer useful: the http/2 connection is able to handle parallel unprioritized requests very well.
... domain sharding is even detrimental to performance.
...And 5 more matches

Feature-Policy - HTTP
when this policy is disabled and there were no user gestures, the promise returned by htmlmediaelement.play() will reject with a domexception.
...when this policy is disabled, the promise returned by navigator.getbattery() will reject with a notallowederror domexception.
...when this policy is disabled, the promise returned by getusermedia() will reject with a notallowederror domexception.
...And 5 more matches

Strict-Transport-Security - HTTP
header type response header forbidden header name no syntax strict-transport-security: max-age=<expire-time> strict-transport-security: max-age=<expire-time>; includesubdomains strict-transport-security: max-age=<expire-time>; preload directives max-age=<expire-time> the time, in seconds, that the browser should remember that a site is only to be accessed using https.
... includesubdomains optional if this optional parameter is specified, this rule applies to all of the site's subdomains as well.
...by following the guidelines and successfully submitting your domain, browsers will never connect to your domain using an insecure connection.
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Types of attacks - Web security
xss attacks can be put into three categories: stored (also called persistent), reflected (also called non-persistent), or dom-based.
... dom-based xss attacks the payload is executed as a result of modifying the dom environment (in the victim’s browser) used by the original client-side script.
... that is, the page itself does not change, but the client side code contained in the page runs in an unexpected manner because of the malicious modifications to the dom environment.
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Using custom elements - Web Components
this takes as its arguments: a domstring representing the name you are giving to the element.
...in this case we attach a shadow root to the custom element, use some dom manipulation to create the element's internal shadow dom structure — which is then attached to the shadow root — and finally attach some css to the shadow root to style it.
...this.getattribute('img') : 'img/default.png'; const info = wrapper.appendchild(document.createelement('span')); info.setattribute('class','info'); // take attribute content and put it inside the info span info.textcontent = this.getattribute('data-text'); // create some css to apply to the shadow dom const style = document.createelement('style'); style.textcontent = '.wrapper {' + // css truncated for brevity // attach the created elements to the shadow dom this.shadowroot.append(style,wrapper); finally, we register our custom element on the customelementregistry using the define() method we mentioned earlier — in the parameters we specify the element name, and then the class name that ...
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content/mod - Archive of obsolete content
window : nsidomwindow the window to be modified.
...detachfrom(style, window); parameters modification : object the modification we want to remove from the target window : nsidomwindow the window to be modified.
... gettargetwindow(target) function takes target, value representing content (page) and returns nsidomwindow for that content.
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How to convert an overlay extension to restartless - Archive of obsolete content
you could look into dynamically loading and unloading your overlay, however dynamically manipulating the dom of your xul window is usually the more straightforward route.
...docs: document.getelementbyid(), document.createelement(), element reference, node reference (dom elements are also nodes).
... that way you build elements hierarchy with not much interaction with dom, plus you can see tag properties and it children in a nice, structured way, just like in overlay.xul.
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Interaction between privileged and non-privileged pages - Archive of obsolete content
sending data from unprivileged document to chrome an easy way to send data from a web page to an extension is by using custom dom events.
... in your extension's browser.xul overlay, write code which listens for a custom dom event.
...t("myextensiondataelement"); element.setattribute("attribute1", "foobar"); element.setattribute("attribute2", "hello world"); document.documentelement.appendchild(element); var evt = document.createevent("events"); evt.initevent("myextensionevent", true, false); element.dispatchevent(evt); this code creates an arbitrary element -- <myextensiondataelement/> -- and inserts it into the web page's dom.
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Connecting to Remote Content - Archive of obsolete content
if the response is an xml document, the responsexml property will hold an xmldocument object that can be manipulated using dom methods.
...let's assume that the xml returned from remote server is this: <?xml version="1.0"?> <data> <shops> <shop> <name>apple</name> <code>a001</code> </shop> <shop> <name>orange</name> </shop> </shops> <total>2</total> </data> when a valid xml response comes back from the remote server, the xml document object can be manipulated using different dom methods, to display the data in the ui or store it into a local datasource.
...otelement && "parseerror" != rootelement.tagname) { let shopelements = rootelement.getelementsbytagname("shop"); let totalelement = rootelement.getelementsbytagname("total")[0]; window.alert(shopelements[1].getelementsbytagname("name")[0].firstchild.nodevalue); // => orange window.alert(totalelement.firstchild.nodevalue); // => 2 } }; using dom functions is good for simple xml documents, but dom manipulation code can become too complicated if the documents are more complex.
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Custom XUL Elements with XBL - Archive of obsolete content
in this case we're adding the "persons" dynamically, so you'll have to look into the js file to see how xshelloperson elements are created and added to the dom just like any other.
...this code gets the dom object that corresponds to the xshelloperson tag, allowing you access to its methods and properties.
...these nodes are part of the xul dom just like any other, and having an id attribute is bound to cause problems, given that you could have more than instance of your element in the same document and then multiple inner items with the same id.
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JXON - Archive of obsolete content
mber> <discount_until>dec 25, 1995</discount_until> <price>42.50</price> <size description="medium"> <color_swatch image="black_cardigan.jpg">black</color_swatch> </size> </catalog_item> </product> <script type="text/javascript"><![cdata[function matchwo(a,b) { if (a < b && a < 0) { return 1; } else { return 0; } }]]></script> </catalog> first, create a dom tree like the previous example as described in the how to create a dom tree article.
... if you have already have a dom tree from using xmlhttprequest, skip to the next paragraph.
... now let's serialize doc — the dom tree — to a javascript object tree (you can read more about working with objects and how javascript is object-oriented).
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Working with BFCache - Archive of obsolete content
q: when a user clicks a link that replaces the view in the current tab with a new page, what is the fate of the nsidomwindow supporting the view they click on?
...a: the outer nsidomwindow (the |window| object in content js, aka the <browser>'s contentwindow object in the parent document) stays right where it is.
...the inner nsidomwindow (the global scope object in content js) is either thrown away when gc happens, or frozen and placed in the bfcache.
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In-Depth - Archive of obsolete content
well there is an easy way to find out - using the dom inspector.
...then open the dom inspector (tools->web development->dom inspector).
...what this will do is find the code for the back button and display it in the dom inspector.
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Introduction to XUL - Archive of obsolete content
xml documents support the basic dom level 1 core apis.
... xul documents support an extended set, much as html documents support dom level 1 html apis.
... dom extensions since xul is not the same thing as html, while xul documents will support the dom level 1 core api, they will not support the dom level 1 html api.
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Building a Theme - Archive of obsolete content
it's especially important to install the dom inspector, which we'll be using in later steps.
... when writing a theme, the easiest way to determine what css selectors you need to write is to use the dom inspector which you should have installed in the setup step.
... updating the toolbar's styling note in firefox 4.0 and up, the highlight feature of dom inspector is broken.
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