<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>如何用js检测判断日期大于多少天</title> <script> window.onload=function(){ var ul1=document.getElementById("time"); var span1=ul1.getElementsByTagName("span"); var data=span1[0].innerHTML; var a = data.split(" "); var b = a[0].split("-"); var c = a[1].split(":"); var oldTime = new Date(b[0], b[1]-1, b[2], c[0], c[1], c[2]); var nowTime=new Date(); document.write((nowTime-oldTime)/(1000*60*60*24)>15?"大于15":"小于15"); } </script> </head> <body> <ul id="time"> <li> <span>2014-07-05 08:52:32</span> </li> </ul> </body> </html>
来源：http://js.alixixi.com/a/2014071493814.shtml
原文：http://www.cnblogs.com/kpengfang/p/6027571.html