This article covers features introduced in SpiderMonkey 24
Retrieves the original, canonical Array.prototype for an object's global object.
Syntax
JSObject * JS_GetArrayPrototype(JSContext *cx, JS::HandleObject forObj);
| Name | Type | Description |
|---|---|---|
cx |
JSContext * |
Pointer to a JavaScript context from which to derive runtime information. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
forObj |
JS::HandleObject |
An object from the global whose Array.prototype is being retrieved. |
Description
JS_GetArrayPrototype() retrieves the original Array.prototype of a specified object, obj. If an error occurs, it returns NULL.
Note: This expression might have different values over time if the global
Array property is modified, but this method returns only the original value.