WebUndefined Class Reference

Inherits from
Conforms to
Framework
/System/Library/Frameworks/WebKit.framework
Availability
Available in OS X v10.3.9 and later.
Companion guide
Declared in
WebScriptObject.h

Overview

WebUndefined objects are simply used to represent the JavaScript “undefined” value in methods when bridging between JavaScript and Objective-C. For example, if you invoke a JavaScript function that returns the JavaScript “undefined” value, then a WebUndefined object is returned to the Objective-C calling context.

Tasks

Getting the Shared Instance

Class Methods

undefined

Returns the shared WebUndefined instance.

+ (WebUndefined *)undefined
Availability
  • Available in OS X v10.3.9 and later.
Declared In
WebScriptObject.h