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js 进度条实现代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml" > 
<head> 
<title>进度条</title> 
<style type="text/css"> 
body{ 
text-align:center; 
} 
.graph{ 
width:450px; 
border:1px solid #F8B3D0; 
height:25px; 
} 
#bar{ 
display:block; 
background:#FFE7F4; 
float:left; 
height:100%; 
text-align:center; 
} 
#barNum{ 
position:absolute; 
} 
</style> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%20type%3D%22text%2Fjavascript%22%3E%20%0D%0Afunction%20%24(obj)%7B%20%0D%0Areturn%20document.getElementById(obj)%3B%20%0D%0A%7D%20%0D%0Afunction%20go()%7B%20%0D%0A%24(%22bar%22).style.width%20%3D%20parseInt(%24(%22bar%22).style.width)%20%2B%201%20%2B%20%22%25%22%3B%20%0D%0A%24(%22bar%22).innerHTML%20%3D%20%24(%22bar%22).style.width%3B%20%0D%0Aif(%24(%22bar%22).style.width%20%3D%3D%20%22100%25%22)%7B%20%0D%0Awindow.clearInterval(bar)%3B%20%0D%0A%7D%20%0D%0A%0D%0A%7D%20%0D%0Avar%20bar%20%3D%20window.setInterval(%22go()%22%2C50)%3B%20%0D%0Awindow.onload%20%3D%20function()%7B%20%0D%0Abar%3B%20%0D%0A%7D%20%0D%0A%3C%2Fscript%3E"> 
</head> 
<body> 
<div class="graph"> 
<strong id="bar" style="width:1%;"></strong> 
</div> 
</body> 
</html>

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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