<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>js控制隔行变色</title> </head> <body> <table id="tb1" border="1" border-collapse="collapse" cellpadding="5" width="400" height="20" cellspacing="0" bordercolor="#99cccc"> <thead> <tr> <td>编号</td> <td>作品</td> <td>时间</td> </tr> </thead> <tbody id="tb2"> <tr> <td>1</td> <td>回忆三部曲</td> <td>1995</td> </tr> <tr> <td>2</td> <td>未麻的部屋</td> <td>1997</td> </tr> <tr> <td>3</td> <td>千年女优</td> <td>2001</td> </tr> <tr> <td>4</td> <td>妄想代理人</td> <td>2004</td> </tr> <tr> <td>5</td> <td>红辣椒</td> <td>2006</td> </tr> <tr> <td>6</td> <td>东京教父</td> <td>2003</td> </tr> </tbody> </table> <script type="text/javascript"> window.onload=function tablecolor(){ var t_name = document.getElementById("tb2"); var t_len = t_name.getElementsByTagName("tr"); for(var i=0;i<=t_len.length;i++){ //偶数行时执行 if(i%2 == 0){ t_len[i].style.backgroundColor="#ffcccc"; //添加鼠标经过事件 t_len[i].onmouseover = function(){ this.style.backgroundColor="#ccffff" } //添加鼠标离开事件 t_len[i].onmouseout = function(){ this.style.backgroundColor="#ffcccc" } } else{ t_len[i].style.backgroundColor="#ffffcc"; t_len[i].onmouseover = function(){ this.style.backgroundColor="#ccffff" } t_len[i].onmouseout = function(){ this.style.backgroundColor="#ffffcc" } } } } </script> </body> </html>
原文：https://www.cnblogs.com/yuer20180726/p/11150270.html