# Example: URL navigation and iframes

Use Fancytree as a navigation menu.
The tree initialization uses `<a href='URL', target='TARGET'>title</a>` tags.
The `activate` handler then uses `node.data.href` to open the the pages in the embedded iframe.
Note that the navigation will fallback to standard HTML links, when JavaScript is disabled.
A focused node will automatically be activated after 2 seconds (use the keyboard to try this out).
The `Toggle tree` button in the embedded welcome page also gives an example on how to access a tree that exists outside the own frame.

Skin:

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