| Inherits from | |
| Conforms to | |
| Framework | /System/Library/Frameworks/WebKit.framework |
| Availability | Available in Mac OS X v10.3.9 and later.
|
| Companion guide | |
| Declared in | WebScriptObject.h |
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.
Returns the shared WebUndefined instance.
+ (WebUndefined *)undefined
WebScriptObject.h
Last updated: 2006-05-23