dat.GUI: JavaScript variable editor

A lightweight graphical user interface for changing variables in JavaScript. 

Simply pass your variables into the dat.GUI framework and they’ll appear in an editable data grid in the top right hand corner.

A beautiful example here:  http://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage

My simple example:

Get the code here:  http://code.google.com/p/dat-gui/