Get the builtin class prototype object.
Syntax
bool
JS_GetClassPrototype(JSContext *cx, JSProtoKey key,
JS::MutableHandle<JSObject*> objp);
| Name | Type | Description |
|---|---|---|
cx |
JSContext * |
A context. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
key |
JSProtoKey |
The key of the prototype. |
objp |
JS::MutableHandle<JSObject*> |
Out parameter. If successful, receive the class prototype object. |
Description
JS_GetClassPrototype gets the builtin class costructor for the specified prototype key.
If successful, JS_GetClassPrototype stores the class prototype object to *objp and returns true, otherwise returns false and the value of *objp is undefined.