App下載
實例代碼( Tip: 登錄后體驗更佳 )
<!DOCTYPE html>
<html>
<head>
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  var treeTraversal = $("div").find("p,span").map(function(){
  return this.tagName;}).get().join(", ");
  $("div").after("<h2>" + treeTraversal + "<h2>");
});
</script>
</head>
<body>
  <div> This is a div element. My children are:  
    <p>             
      <span><span></span></span>    
    </p>  
  </div>
</body>
In this example, we return all descendant elements of div.
</html>
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