JSAPI reference
als obsolete since jsapi 11 js_compilescriptforprincipals obsolete since jsapi 28 js_compileucscriptforprincipals obsolete since jsapi 28 js_compilescriptforprincipalsversion obsolete since jsapi 19 js_compileucscriptforprincipalsversion obsolete since jsapi 19 js_getscriptobject obsolete since jsapi 8 js_newscriptobject obsolete since jsapi 8 js_executescriptpart obsolete since javascript 1.9.3 js_destroyscript obsolete since jsapi 8 you can also compile javascript code into a function: struct jsfunction js::compilefunction added in spidermonkey 17 js_decompilefunction js_decompilefunctionbody js_compilefunction obsolete since jsapi 36 js_compilefunctionforprincipals obsolete since jsapi 28 js_compileucfunction obsolete since jsapi 36 js_compileucfunctionforprincipals ob...
... jsclass method types: jspropertyop jsstrictpropertyop added in spidermonkey 1.9.3 jsdeletepropertyop added in spidermonkey 24 jsenumerateop jsnewenumerateop jsresolveop jsconvertop jsfinalizeop jshasinstanceop jstraceop jscheckaccessop obsolete jsxdrobjectop obsolete since jsapi 13 jsnewresolveop obsolete since jsapi 36 jsmarkop obsolete since jsapi 5 jsgetobjectops obsolete since javascript 1.8.5 jsreserveslotsop obsolete since javascript 1.8.5 these stub f...
...unctions can be used when creating a custom jsclass: js_propertystub js_strictpropertystub added in spidermonkey 1.9.3 js_convertstub obsolete since jsapi 37 js_deletepropertystub obsolete since jsapi 37 js_enumeratestub obsolete since jsapi 37 js_finalizestub obsolete since jsapi 15 js_resolvestub obsolete since jsapi 37 jsextendedclass method types: in js 1.8.5, jsextendedclass has made private.

nsIXULAppInfo
platformversion acstring the version of gecko or xulrunner platform, for example "1.8.1.19" or "1.9.3pre".
... in "firefox 3.7 alpha 1" the application version is "3.7a1pre" while the platform version is "1.9.3pre" read only.

Equality comparisons and sameness - JavaScript
abstract equality, strict equality, and same value in the specification in es5, the comparison performed by == is described in section 11.9.3, the abstract equality algorithm.
... we can see that with double and triple equals, with the exception of doing a type check upfront in 11.9.6.1, the strict equality algorithm is a subset of the abstract equality algorithm, because 11.9.6.2–7 correspond to 11.9.3.1.a–f.

Implementation Status - Archive of obsolete content
11.8.2 value unsupported 11.9 submission options supported 11.9.1 the get submission method supported 11.9.2 the post, multipart-post, form-data-post, and urlencoded-post submission methods supported 11.9.3 the put submission method supported 11.9.4 the delete submission method unsupported 11.9.5 serialization as application/xml supported 11.9.6 serialization as multipart/related partial 330557; 11.9.7 serialization as mul...

Index
these functions all have similar behavior: 390 js_looselyequal jsapi reference, spidermonkey js_looselyequal determines if v1 is loosely equal to v2 under the javascript == operator, as specified in ecma 262-3 §11.9.3.

JSPropertyOp
syntax typedef bool (* jspropertyop)(jscontext *cx, js::handleobject obj, js::handleid id, js::mutablehandlevalue vp); typedef bool (* jsstrictpropertyop)(jscontext *cx, js::handleobject obj, js::handleid id, bool strict, js::mutablehandlevalue vp); // added in spidermonkey 1.9.3 name type description cx jscontext * the context in which the property access is taking place.

JS_ExecuteScriptPart
obsolete since javascript 1.9.3this feature is obsolete.

JS_LooselyEqual
description js_looselyequal determines if v1 is loosely equal to v2 under the javascript == operator, as specified in ecma 262-3 §11.9.3.

Thunderbird Binaries
you should see a string that looks something like this: comm-central-1.9.2 branch: mozilla/5.0 (windows; u; windows nt 5.1; en-us; rv:1.9.2.2pre) gecko/20100308 lanikai/3.1b1pre comm-central-trunk: mozilla/5.0 (windows; u; windows nt 5.1; en-us; rv:1.9.3a1pre) gecko/20090826 shredder/3.1a1pre the part that you want to note is the gecko revision number (rv) and the thunderbird version string.