| 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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| 2 | <html> |
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| 3 | <head> |
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| 4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
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| 5 | <title>setInterval leak in fx</title> |
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| 6 | <style type="text/css"> |
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| 7 | #div1 {position:absolute;left:300px;top:0;background-color:red;width:100px;height:100px} |
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| 8 | </style> |
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| 9 | <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.js"></script> |
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| 10 | <script type="text/javascript"> |
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| 11 | $(function(){ |
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| 12 | for(var i = 6; i > 0; i--) { |
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| 13 | $('p').clone().appendTo(document.body); |
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| 14 | } |
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| 15 | $(window).bind('scroll resize', function() { |
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| 16 | $('#div1').stop() |
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| 17 | .animate({ |
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| 18 | 'top': $(window).scrollTop()+ 100 |
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| 19 | }); |
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| 20 | }); |
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| 21 | }); |
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| 22 | </script> |
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| 23 | </head> |
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| 24 | <body> |
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| 25 | <p>Scroll the document up and down crazily and observe CPU usage</p> |
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| 26 | <p>Profiling using Firebug shows setInterval leak</p> |
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| 27 | <div id="div1"></div> |
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| 28 | </body> |
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| 29 | </html> |
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