{"json_modified": "2016-03-28T08:11:51.252764", "uuid": "0a13259b-6b83-4aa4-a71e-dbc11d848903", "title": "JSVAL_TO_BOOLEAN", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSVAL_TO_BOOLEAN", "tags": ["Obsolete", "SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2014-12-23T04:50:55", "label": "JSVAL_TO_BOOLEAN", "localization_tags": [], "locale": "en-US", "id": 12517, "last_edit": "2014-12-23T04:50:48", "summary": "<strong><code>JSVAL_TO_BOOLEAN</code></strong>\u00a0casts the value <code>v</code> to a C integer, either 0 or 1. As a precondition, <code><a href=\"/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSVAL_IS_BOOLEAN\" title=\"JSVAL_IS_BOOLEAN(v) is true if the given JavaScript value, v, is a boolean value (that is, it is either JSVAL_TRUE or JSVAL_FALSE).\"><code>JSVAL_IS_BOOLEAN</code></a>(v)</code> must be true. That is, <code>v</code> must be either <code>JSVAL_TRUE</code> or <code>JSVAL_FALSE</code>. Otherwise the behavior is undefined.", "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_TO_BOOLEAN", "review_tags": []}