CSS Style « YUI Library « JavaScript DHTML

1.Clicking the button will use Dom's addClass method to add the class baz to the element.
2.Using getElementsByClassName
3.Dynamic addition and removal of three stylesheets that change the appearance of the News module.
4.Using StyleSheet to create a page theme
5.Add a red border to all of the LI elements with the class of "selected" that live in a UL.