{"json_modified": "2016-03-28T08:07:49.034005", "uuid": "93ac6e5e-3b45-4778-8f0b-43f1c7ec3e5d", "title": "JS_DefineFunction", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_DefineFunction", "tags": ["SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2015-01-05T05:31:35", "label": "JS_DefineFunction", "localization_tags": [], "locale": "en-US", "id": 8557, "last_edit": "2015-01-05T05:31:25", "summary": "<strong><code>JS_DefineFunction</code></strong> exposes a C/C++ function to scripts by defining a new method on an existing JavaScript object. It creates the new Function object as though by calling <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_NewFunction\" title=\"Create a new JavaScript function that is implemented in C/C++ as a JSNative.\"><code>JS_NewFunction</code></a>, then makes it a method of <code>obj</code> as though by calling <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_DefineProperty\" title=\"JS_DefineProperty defines a single property in a specified object, obj. JS_DefineUCProperty is the Unicode version of the function. JS_DefinePropertyById is the same but takes a JS::HandleId for the property name.\"><code>JS_DefineProperty</code></a>. <strong><code>JS_DefineUCFunction</code></strong> is the Unicode version of the function.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Description", "title": "Description"}, {"id": "See_Also", "title": "See Also"}], "slug": "Mozilla/Projects/SpiderMonkey/JSAPI_reference/JS_DefineFunction", "review_tags": []}