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  <title>jquery $.each遍历json数组方法</title>
  <script type="text/javascript" src="jquery.js"></script>
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<body>
 <script>
  var arr = [{ name: "john", lang: "js" },{ name: "nailwl", lang: "jquery" },{ name: "吴磊", lang: "ext" }]; 
  $.each( arr, function(index, content)
  { 
   alert( "the man's no. is: " + index + ",and " + content.name + " is learning " + content.lang ); 
  });
​
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