Sencha uses web workers for ajax calls to move it away from the UI thread, for its Fastbook web app http://www.sencha.com/blog/the-making-of-fastbook-an-html5-l

Sencha uses web workers for ajax calls to move it away from the UI thread, for its Fastbook web app http://www.sencha.com/blog/the-making-of-fastbook-an-html5-love-story http://www.sencha.com/blog/the-making-of-fastbook-an-html5-l...