JS_GetClassObject 编辑
Get the builtin class constructor.
Syntax
bool
JS_GetClassObject(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 constructor. |
Description
JS_GetClassObject gets the builtin class costructor for the specified prototype key.
If successful, JS_GetClassObject stores the class constructor to *objp and returns true, otherwise returns false and the value of *objp is undefined.
See Also
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