Deletes a property from an object.
- iOS 7.0+
- macOS 10.5+
- tvOS 9.0+
The execution context to use.
The JSObject whose property you want to delete.
A JSString containing the property's name.
A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
true if the delete operation succeeds, otherwise false (for example, if the property has the kJSPropertyAttributeDontDelete attribute set).