大家帮忙看看,谢谢 javascript 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <!doctype html><html><head><meta charset="utf-8"><title>无标题文档</title><script type="text/javascript"> function init(){ var trs= document.getElementsByTagName("tr"); for(var i = 1 ; i<trs.length ; i++){ if(i%2==0){ trs[i].onmouseover = function(){ this.style.background = "red"; } } }} </script></head><body onLoad="init()"> <table width="98%" border="1" cellspacing="0" cellpadding="0"> <tr> <th scope="col">asdfsadf</th> <th scope="col">sadf</th> </tr> <tr> <td>asdf</td> <td>asdf</td> </tr> <tr> <td>asdf</td> <td>sadfdf</td> </tr></table><script></script></body></html> 补充一下一楼,<!doctype html><html><head> <meta charset="utf-8"> <title>无标题文档</title> <script type="text/javascript"> function init(){ var trs = document.getElementsByTagName("tr"); var old = ''; for(var i = 1; i < trs.length; i++){ trs[i].style.background = "#fff"; if(i % 2 == 0){ trs[i].style.background = "#f1f1f1"; } trs[i].onmouseover = function(){ old = this.style.background; this.style.background = "#f00"; } trs[i].onmouseout = function(){ this.style.background = old; } } } </script></head><body onLoad="init()"><table width="98%" border="1" cellspacing="0" cellpadding="0"> <tr> <th scope="col">asdfsadf</th> <th scope="col">sadf</th> </tr> <tr> <td>asdf</td> <td>asdf</td> </tr> <tr> <td>asdf</td> <td>sadfdf</td> </tr> <tr> <td>asdf</td> <td>asdf</td> </tr> <tr> <td>asdf</td> <td>sadfdf</td> </tr> <tr> <td>asdf</td> <td>asdf</td> </tr> <tr> <td>asdf</td> <td>sadfdf</td> </tr></table></body></html> 问几个小白问题,求指点下,迷糊了 关于报表基础知识 请问一下js中有没有这样样的功能,啊? 合并数组,删除重复的元素(内附一种高效算法) 请问遍历一个元素的所有广义子元素的方法 联动重复值的问题. javascript xmlhttp问题 页面分左右两个框架,如何点击左边连接时在右边框架中显示一个excel文件?? 简单问题!请高手指教! 紧急。在线等,请问如何用javascript动态控制iframe框架显示长度? 一个用jquery读取html源码的公共函数 java 正则表达式 截取字符串问题,求高手
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