{"json_modified": "2016-03-28T08:41:31.728588", "uuid": "6644f3a9-ad76-4708-9556-0737210a7137", "title": "JSConvertOp", "url": "/en-US/docs/Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSConvertOp", "tags": ["R\u00e9f\u00e9rence", "Reference", "SpiderMonkey", "JSAPI Reference"], "translations": [], "modified": "2015-01-18T15:07:44", "label": "JSConvertOp", "localization_tags": [], "locale": "en-US", "id": 133125, "last_edit": "2015-01-18T15:07:35", "summary": "<strong><code>JSConvertOp</code></strong> callback specifies conversion behavior for objects having this class, implementing the ECMAScript <code><span class=\"nowiki\">[[DefaultValue]]</span></code> behavior for them. On success it must return a primitive value in <code>*vp</code>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Description", "title": "Description"}, {"id": "JSClass_hooks", "title": null}, {"id": "See_Also", "title": "See Also"}], "slug": "Mozilla/Projects/SpiderMonkey/JSAPI_reference/JSConvertOp", "review_tags": ["technical"]}