`
beyondbn
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js 取得json键值

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">  
<HTML>  
 <HEAD>  
  <TITLE> New Document </TITLE>  
 </HEAD>  
 <BODY>  
  <script type="text/javascript">  
    window.onload = function(){  
        var collections = {"id":123, "name":"beyond", "age":22};  
        for(var item in collections){  
            alert("=== "+item+" ==="+collections[item]);  
        }  
    }  
  </script>  
 </BODY>  
</HTML>  
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