<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn"> <head> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <title>网页标题</title> <meta name="keywords" content="关键字列表" /> <meta name="description" content="网页描述" /> <link rel="stylesheet" type="text/css" href="" /> <style type="text/css"></style> <script type="text/javascript"> var str=‘<table border=1 width=500 rules=all align=center> ‘; str +=‘<tr bgColor=#9900cc>‘; str +=‘<th>编号;</th><th>新闻标题</th><th>发表时间</th>‘; str +=‘</tr>‘; var i=1; //循环行 while(i<=10){ //判断是否偶数 if(i%2==0){ str +=‘<tr bgColor=red>‘; }else{ str +=‘<tr>‘; } str +=‘<td> </td><td> </td><td> </td>‘; str +=‘</tr>‘; i++; } str +=‘</table>‘; document.write(str); </script> </head> <body> </body> </html>
隔行变色
原文：http://www.cnblogs.com/liujinrui/p/6103435.html