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JS_GetConstructor

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.

See Also

Document Tags and Contributors

 Contributors to this page: arai, fscholz, Jorend, Dria, Nickolay, Tservo
 Last updated by: arai,