YUI recommends YUI 3.
YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.
This example shows how to make a DIV resizable, using a proxy element.
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse justo nibh, pharetra at, adipiscing ullamcorper.
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse justo nibh, pharetra at, adipiscing ullamcorper.