YUI recommends YUI 3.

YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.

Three Ways to Define a TreeView: Markup (Progressive Enhancement), Existing TreeView Instance, and Object Literal

In this simple example you can see how to build TreeView Control from existing HTML markup and from a previous tree definition or from a branch of it.

Tree from markup

List 0

List 0-0

item 0-0-0

List 1

Copy of the tree above taken from its own definition

List 0

List 0-0

item 0-0-0

List 1

Copy of the second branch of the tree at the top

List 1

Tree built from a static definition

Label 0

text label 1

branch 1

Label 1-0

branch 3