js遍历选中的dom元素

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
 </head>

 <body>
  <script type="text/javascript">
  <!--

	function gettype(){
 		var ctrls=document.getElementsByTagName("input");
		for(var i=0;i<ctrls.length;i++){
			alert("type:"+ctrls.item(i).type+",id:"+ctrls.item(i).id
			+",name:"+ctrls.item(i).name);

		}
	}

  //-->
  </script>

<input type="text" name="myname" id="myid">
<input type="button" name="myname"  id="mybtn" value="my button" onclick="gettype()">
<input type="submit" name="myname"  id="mysubmit">
<input type="text" name="myname"  id="username">

 </body>
</html>
posted @ 2011-04-25 22:28  庚武  Views(1177)  Comments(0Edit  收藏  举报