Yahoo! recommends YUI 3. Learn about YUI 3 on YUILibrary.com.
This demonstrates how to dynamically add tabs to a TabView widget.
Tab One Content
Tab Two Content
Tab Three Content
Dynamically adding tabs to a YUI TabView widget is done with the addTab method.
We will create a <div> called demo and include the TabView markup:
Next, create an instance of TabView from our demo element:
For this example, a simple prompt will accept the new tab label and content. We will need a function to accept the input, create, and add the new tab:
Note: You are viewing this example in debug mode with logging enabled. This can significantly slow performance.
All YUI 2.x users should review the YUI 2.8.2 security bulletin, which discusses a vulnerability present in YUI 2.4.0-2.8.1.

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