{"json_modified": "2016-03-28T08:14:56.993757", "uuid": "3743d3cb-96c1-4e9d-a9d6-b1faa7d40f2b", "title": "JSExtendedClass.wrappedObject", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSExtendedClass.wrappedObject", "tags": ["Obsolete", "SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2015-12-11T06:42:52", "label": "JSExtendedClass.wrappedObject", "localization_tags": [], "locale": "en-US", "id": 17249, "last_edit": "2015-12-11T06:42:43", "summary": "If a class has the <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSClass.flags\" title=\"The flags field is of type uint32_t. Its value is the logical OR of zero or more of the following constants:\"><code>JSCLASS_IS_EXTENDED</code></a> bit set in its <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSClass.flags\" title=\"The flags field is of type uint32_t. Its value is the logical OR of zero or more of the following constants:\"><code>JSClass.flags</code></a> and has a non-null <code><strong><a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSExtendedClass\" title=\"To implement a custom class that uses any of the JSExtendedClass callbacks:\"><code>JSExtendedClass</code></a>.wrappedObject</strong></code>, then objects of that class may be <em>wrappers</em>. In a few cases the JavaScript engine will pretend the wrapper isn't there, instead operating on the object it wraps. In these cases the engine calls the <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSExtendedClass\" title=\"To implement a custom class that uses any of the JSExtendedClass callbacks:\"><code>JSExtendedClass.wrappedObject</code></a> callback to get the wrapped object. Most classes do not implement <code>wrappedObject</code>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Description", "title": "Description"}], "slug": "Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSExtendedClass.wrappedObject", "review_tags": []}