jQuery的each和jQuery数组的each

来源：互联网发布：three.js 源码编辑：程序博客网时间：2024/06/07 13:02

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>domevent.html</title>    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">    <meta http-equiv="description" content="this is my page">    <meta http-equiv="content-type" content="text/html; charset=UTF-8">        <!--<link rel="stylesheet" type="text/css" href="./styles.css">--><script type="text/javascript" src="jquery-2.2.4.js"></script><script type="text/javascript">$(function(){$("#btn").click(function(){var arr=[5,6,7,8];/*jquery内置的each方法index索引 value值*/$.each(arr,function(index,value){alert("索引"+index+"值"+value);});/*jquery数组也只带了一个eachindex索引value获取的是dom对象*/$("tr[id='data']").each(function(index,value){debugger;});});});</script>  </head>    <body>  <table border="1" width="200px">  <tr id="data">  <th>编号</th>  <th>姓名</th>  </tr>  <tr id="data">  <td>1</td>  <td>a</td>  </tr>  <tr id="data">  <td>2</td>  <td>b</td>  </tr>  <tr id="data">  <td>3</td>  <td>c</td>  </tr>  </table>    <input id="btn" type="button" value="sutmit" />  </body></html>

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