Class

WebUndefined

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.

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See Also

Incorporating Scripts (Legacy)

class WebScriptObject

A WebScriptObject object is an Objective-C wrapper for a scripting object passed to your application from the scripting environment.

WebScripting

WebScripting is an informal protocol that defines methods that classes can implement to export their interfaces to a WebScript environment such as JavaScript.