js执行时间查看器

　　效果如图所示:

js执行时间查看器

　　演示代码:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>test</title> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%20src%3D%22http%3A%2F%2Fdemo.glzy8.com%2Fjslib%2Fother%2Fruntime.js%22%3E%3C%2Fscript%3E"></head> 
<body> 
</body> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%3E%20%0D%0Aonerror%20%3D%20function()%20%0D%0A%7B%20%0D%0Alocation.reload()%3B%20%0D%0Areturn%20true%3B%20%0D%0A%7D%20%0D%0ATest.run(%20'%E5%86%85%E9%83%A8%E5%AE%9A%E4%B9%89'%20)%3B%20%0D%0Afor(%20var%20i%3D0%3B%20i%3C9999%3B%20i%2B%2B%20)%20%0D%0A%7B%20%0D%0A'xxxx'.replace(%2F%5Cs%2Fg%2C'')%3B%20%0D%0A%7D%20%0D%0ATest.stop()%3B%20%0D%0ATest.run(%20'%E5%A4%96%E9%83%A8%E5%AE%9A%E4%B9%89'%20)%3B%20%0D%0Avar%20reg%20%3D%20%2F%5Cs%2Fg%3B%20%0D%0Afor(%20var%20i%3D0%3B%20i%3C9999%3B%20i%2B%2B%20)%20%0D%0A%7B%20%0D%0A'xxxx'.replace(reg%2C'')%3B%20%0D%0A%7D%20%0D%0ATest.stop()%3B%20%0D%0ATest.run(%20'%E4%BD%BF%E7%94%A8new'%20)%3B%20%0D%0Afor(%20var%20i%3D0%3B%20i%3C9999%3B%20i%2B%2B%20)%20%0D%0A%7B%20%0D%0A'xxxx'.replace(new%20RegExp('%5C%5Cs'%2C'g')%2C'')%3B%20%0D%0A%7D%20%0D%0ATest.stop()%3B%20%0D%0ATest.output(%20'%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%E6%80%A7%E8%83%BD%E6%B5%8B%E8%AF%95'%20)%3B%20%0D%0A%3C%2Fscript%3E"></html>

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

　　文中所用到的runtime.js下载地址

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