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<html> 
  <head> 
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script> 
    <script type="text/javascript"> 
        $(document).ready(function(){ 
             
            var list = $("div,p,span").map(function () { 
              return this.tagName; 
            }).get().join(", "); 
             
             
            $("b").append(document.createTextNode(list)); 
 
 
        }); 
    </script> 
  </head> 
  <body> 
    <body> 
          <span>span</span> 
          <p>p</p> 
          <div>div</div> 
          <span>span</span> 
    </body> 
</html> 
 
    
     
   
    
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