Retrieves the constructor for an object.
Syntax
JSObject * JS_GetConstructor(JSContext *cx, JS::Handle<JSObject*> proto);
| Name | Type | Description |
|---|---|---|
cx |
JSContext * |
A context. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
obj |
JS::Handle<JSObject*> |
The object whose constructor is to be returned. |
Description
JS_GetConstructor retrieves the constructor property of a given object, obj. If the result is a Function object, JS_GetConstructor returns a pointer to that object. Otherwise, it reports an error and returns NULL.
To get an object's prototype, use JS_GetPrototype. To get an object's parent, use JS_GetParent.