jQuery Treeview 提供了一个无序灵活的可折叠的树形菜单。适用于一些菜单的导航，支持基于 cookie 的持久性菜单。
<ul id="browser" class="filetree treeview-famfamfam"> <li><span class="folder">Folder 1</span> <ul> <li><span class="folder">Item 1.1</span> <ul> <li><span class="file">Item 1.1.1</span></li> </ul> </li> <li><span class="folder">Folder 2</span> <ul> <li><span class="folder">Subfolder 2.1</span> <ul id="folder21"> <li><span class="file">File 2.1.1</span></li> <li><span class="file">File 2.1.2</span></li> </ul> </li> <li><span class="folder">Subfolder 2.2</span> <ul> <li><span class="file">File 2.2.1</span></li> <li><span class="file">File 2.2.2</span></li> </ul> </li> </ul> </li> <li class="closed"><span class="folder">Folder 3 (closed at start)</span> <ul> <li><span class="file">File 3.1</span></li> </ul> </li> <li><span class="file">File 4</span></li> </ul> </li></ul>
相关链接
jQuery Treeview 完整实例下载：http://static.runoob.com/download/jquery-treeview.zip。
jQuery Treeview Github 地址：https://github.com/jzaefferer/jquery-treeview。