JS_GetArrayPrototype

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.

See Also