map 用法 

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>map</title>
</head>

<body>
<p id="par"></p>
 <form method="post" action="">
  <fieldset>
    <div>
      <label for="two">2</label>
      <input type="checkbox" value="2" id="two" name="number[]">
    </div>
    <div>
      <label for="four">4</label>
      <input type="checkbox" value="4" id="four" name="number[]">
    </div>
    <div>
      <label for="six">6</label>
      <input type="checkbox" value="6" id="six" name="number[]">
    </div>
    <div>
      <label for="eight">8</label>
      <input type="checkbox" value="8" id="eight" name="number[]">
    </div>
  </fieldset>
</form>
</body>
</html>
<script type="text/javascript" src="jquery.1.9.0.min.js"></script>
<script type="text/javascript">
var par= $(':checkbox').map(function(index,item) {
  return {
      id:this.id,
      value:this.value
         };
}).get();
$("#par").html(JSON.stringify(par));

/* $("p").append( $("input").map(function(){
      return $(this).val();
 }).get().join(", ") );*/
 
 </script>

 

posted @ 2016-12-21 11:09  328201736  阅读(118)  评论(0)    收藏  举报