JS_IdToProtoKey 编辑
This article covers features introduced in SpiderMonkey 31
Convert a JS ID to a JSProtoKey.
Syntax
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. |
Description
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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