Obsolete since JSAPI 42
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
Casts a specified JS string to a JS value.
JS::StringValue instead in SpiderMonkey 45 or later.
jsval STRING_TO_JSVAL(JSString *str)
||A pointer to a JS string to convert to a