1. 遍历表格内容
<html> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8"/> <script type="text/javascript" src="jquery-1.9.1.js"></script> <script type="text/javascript"> $(function() { //1.找到table var tab = document.getElementById("table"); //2.获取行对象数组 var rows = tab.rows; //3.遍历表格 for(var i=0;i<rows.length;i++) { //4.获取列对象数组的长度 var cols = rows[i].cells.length; for(var j=0;j<cols;j++) { alert(i + "行" + j + "列元素内容： " + rows[i].cells[j].innerText); } } }); </script> <style> .tdText {text-align:center;} </style> </head> <body> <center><h4>遍历表格内容</h4></center> <table border="1" cellspacing="0" align="center" width="60%" id="table"> <tr> <td class="tdText">一行一列</td><td class="tdText">一行二列</td><td class="tdText">一行二列</td> </tr> <tr> <td class="tdText">二行一列</td><td class="tdText">二行二列</td><td class="tdText">二行三列</td> </tr> <tr> <td class="tdText">三行一列</td><td class="tdText">三行二列</td><td class="tdText">三行三列</td> </tr> </table> </body> </html>