jquery 进度条

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<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8" />
 <title>jQuery UI Progressbar - Animated</title>
 <link type="text/css" href="../../themes/base/jquery.ui.all.css" rel="stylesheet" />
 <script type="text/javascript" src="../../jquery-1.4.2.js"></script>
 <script type="text/javascript" src="../../ui/jquery.ui.core.js"></script>
 <script type="text/javascript" src="../../ui/jquery.ui.widget.js"></script>
 <script type="text/javascript" src="../../ui/jquery.ui.progressbar.js"></script>
 <link type="text/css" href="../demos.css" rel="stylesheet" />
 <style type="text/css">
  .ui-progressbar-value { background-image: url(images/pbar-ani.gif); }
 </style>
 <script type="text/javascript">
 var count = 1;
 $(function() {
  $("#progressbar").progressbar({
   value: count
  });
  setTimeout(go,100);

 });
 function go(){
  count+=1;
  $('#progressbar').progressbar('option', 'value', count);  
  if(count<100){
     setTimeout(go,50);
  }
 }
 
  function show(){
   alert("Hello World");
  }
 


 
 </script>
</head>
<body>

<div class="demo">

<div id="progressbar"></div>

</div><!-- End demo -->

<div class="demo-description">

<p>
This progressbar has an animated fill by setting the
<code>background-image</code>
on the
<code>.ui-progressbar-value</code>
element, using css.
</p>

</div><!-- End demo-description -->
<input type="button" value="go" onclick="go()"/>
</body>
</html>

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