var sDate = new Date( " 2007 " , " 10 " , " 19 " ); var eDate = new Date( " 2007 " , " 09 " , " 08 " ); if (sDate > eDate) ... { alert("请输入正确的时间!");} 详细请访问: http://www.carox.com.cn/forever/blog/article.asp?id=28