html canvas link

Canvas Composite Operations Tutorial & Demo (混色模式教學)
http://mrcoles.com/blog/canvas-composite-operations-demo-animation/

EaselJS新手上路
http://blog.eddie.com.tw/2011/09/10/introduction-to-easeljs/

HTML5 Canvas eraser demo using EaselJS (橡皮擦教學)
http://etrex.blogspot.com/2012/03/html5-canvas-raser-demo-using-easeljs.html