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This article covers features introduced in SpiderMonkey 31

Convert a JS ID to a JSProtoKey.


JS_IdToProtoKey(JSContext *cx, JS::HandleId id);
Name Type Description
cx JSContext * Pointer to a JS context from which to derive runtime information. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext.
id JS::HandleId The property identifier to convert.


JS_IdToProtoKey converts a specified JS ID, id, to a prototype key. On success, JS_IdToProtoKey returns a JSProtoKey. Otherwise it returns JSProto_Null.

See Also

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 Contributors to this page: kscarfone, arai
 Last updated by: kscarfone,