{"json_modified": "2016-03-28T08:16:27.547061", "uuid": "9f6c730f-0306-4fb2-afde-bd283f24bfd4", "title": "JSVAL_IS_GCTHING", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSVAL_IS_GCTHING", "tags": ["Obsolete", "SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2014-12-23T02:00:27", "label": "JSVAL_IS_GCTHING", "localization_tags": [], "locale": "en-US", "id": 19095, "last_edit": "2014-12-23T02:00:21", "summary": "<code>JSVAL_IS_GCTHING(v)</code> is true if the <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/jsval\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>jsval</code></a> <code>v</code> is either <a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSVAL_NULL\" title=\"JSVAL_NULL is a jsval constant that represents the JavaScript value null. It is equivalent to OBJECT_TO_JSVAL(NULL).\"><code>JSVAL_NULL</code></a> or a reference to a value that is subject to garbage collection. JavaScript performs automatic garbage collection of objects, strings, and doubles.", "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/JSVAL_IS_GCTHING", "review_tags": []}