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Ext JS 4 Web Application Development Cookbook by Stuart Ashworth, Andrew Duncan

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Creating images for legacy browsers

As we all know, web developers are constantly battling with legacy browsers to make their designs consistent across all platforms. The abilities of CSS3 are well known and we want to use it as often as possible to easily create beautiful interfaces with rounded corners, gradients, and shadows, but Internet Explorer quickly stops us in our tracks.

Sencha also feels this pain and have created an ingenious slicer tool that allows us to think purely in terms of CSS3 and lets it take care of generating and slicing the images required to have those gradients and other CSS3 styles displayed exactly as we want in the older browsers.

The framework's new Split DOM feature, which causes each component's markup to be rendered ...

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