{"json_modified": "2016-03-28T08:41:34.360653", "uuid": "5684f4b5-3067-49fc-bc17-be44a3c6d66a", "title": "JSGetObjectOps", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSGetObjectOps", "tags": ["Obsolete", "SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2015-01-03T07:57:19", "label": "JSGetObjectOps", "localization_tags": [], "locale": "en-US", "id": 133139, "last_edit": "2015-01-03T07:57:11", "summary": "<strong><code>JSObjectOps</code></strong> is used by <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_NewObject\" title=\"JS_NewObject creates a new object based on a specified class, prototype, and parent object. cx is a pointer to a context associated with the runtime in which to establish the new object. clasp is a pointer to an existing class to use for internal methods, such as finalize. proto is an optional pointer to the prototype object with which to associate the new object.\"><code>JS_NewObject</code></a>'s internals to discover the set of high-level object operations to use for new objects of the given class. All native objects have a <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSClass\" title=\"Use JSClass to define a custom class of JavaScript objects. A JSClass has a name, flags, and several callback functions for advanced customization of object behavior.\"><code>JSClass</code></a>, which is stored as a private (int-tagged) pointer in object slots. In contrast, all native and host objects have a <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSObjectMap\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>JSObjectMap</code></a> at <code>obj-&gt;map</code>, which may be shared among a number of objects, and which contains the <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSObjectOps\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>JSObjectOps *ops</code></a> pointer used to dispatch object operations from API calls.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Callback_Syntax", "title": "Callback Syntax"}, {"id": "Description", "title": "Description"}, {"id": "JSClass_hooks", "title": null}, {"id": "See_Also", "title": "See Also"}], "slug": "Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSGetObjectOps", "review_tags": []}