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Optimizing JavaScript code
Authors: Gregory Baker, Software Engineer on GMail & Erik Arvidsson, Software Engineer on Google Chrome
Recommended experience: Working knowledge of JavaScript
Client-side
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JavaScript ¼òµ¥ÏîĿӦÓü¼ÇÉ

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$wnd and $doc Calling native JavaScript with JSNI

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GWT provides the $wnd and $doc variables to refer to the window and document objects
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keycode    8 = BackSpace BackSpace
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