Performer

Example: Sizer

• Make the box 20px longer
• Make the box 20px shorter
• Make the box 20px wider
• Make the box 20px thinner
• Make the box 50px bigger
• Make the box 50px smaller

This is the target element

This is a page from the Performer JavaScript library built on Prototype. Prototype copyright © 2005-2007 Sam Stephenson. The design for this mini-site was wholly nicked from prototypejs.org, and I hope I don't get into trouble for it.