How is this blur effect done in javascript?

http://wowslider.com/jquery-image-rotator-terse-blur-demo.html

I can't find any blur-related CSS 3 property. And they don't appear to be using Flash..

Solution

They're drawing on HTML5's <canvas>, not CSS3.

Reference: http://www.flother.com/blog/2010/image-blur-html5-canvas/

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