JS_NewExternalString
syntax jsstring * js_newexternalstring(jscontext *cx, const char16_t *chars, size_t length, const jsstringfinalizer *fin); jsstring * js_newexternalstringwithclosure(jscontext *cx, jschar *chars, size_t length, int type, void *closure); // obsolete since jsapi 13 name type description cx jscontext * the context in which to create the new string.
...added in spidermonkey 17 type int (js_newexternalstringwithclosure only) indicates which string finalizer callback the javascript engine should use (later) to free the string buffer chars.
...obsolete since jsapi 13 closure void * (js_newexternalstringwithclosure only) arbitrary, application-defined data to include in the string object after it's created.
...And 3 more matches

JS_GetExternalStringClosure
this article covers features introduced in spidermonkey 6 returns the string closure stored in a jsstring created by calling js_newexternalstringwithclosure.
...the result is null if the external string was created without one (that is, by calling js_newexternalstring rather than js_newexternalstringwithclosure).

Index
403 js_newexternalstring jsapi reference, reference, référence(2), spidermonkey js_newexternalstring and js_newexternalstringwithclosure create a new jsstring whose characters are stored in external memory, i.e., memory allocated by the application, not the javascript engine.

JS_IsExternalString
this article covers features introduced in spidermonkey 17 determines whether or not the specified jsstring is an external string (that is, a string created by calling js_newexternalstring rather than js_newexternalstringwithclosure).

JSAPI reference
ruct jsstringfinalizer added in spidermonkey 17 js_newexternalstring js_isexternalstring added in spidermonkey 17 js_gettwobyteexternalstringchars added in spidermonkey 38 js_getexternalstringfinalizer added in spidermonkey 17 js_addexternalstringfinalizer obsolete since jsapi 13 js_removeexternalstringfinalizer obsolete since jsapi 13 js_getexternalstringgctype obsolete since jsapi 13 js_newexternalstringwithclosure added in spidermonkey 6 obsolete since jsapi 13 js_getexternalstringclosure added in spidermonkey 6 obsolete since jsapi 13 objects typedef jsobject js_defineobject js_newobject js_newplainobject added in spidermonkey 38 js_newobjectforconstructor added in spidermonkey 1.8.5 js_newglobalobject added in spidermonkey 1.8 js_newobjectwithgivenproto js_new added in spidermonkey 1.8 j...