关于如何判断-浏览器首次访问判断

来源：互联网发布：mac系统ai2018破解码编辑：程序博客网时间：2024/04/29 13:50

关于如何判断-浏览器首次访问判断

没看懂，只会用，先记下来，~汗！！！！

<html xmlns="http://www.w3.org/1999/xhtml" ><head><meta charset="utf-8"><title>页面首次访问判断</title></head><body> <h1><a href="http://www.thevv.top">GO</a></h1> <script language ="javascript" type ="text/javascript" >    //1浏览器关闭则window.name为空，可以实现跨域，数据传递         alert((window.name == "" ? "是" : "不是") + "第一次开这个窗口！")window.name = "00";//cookie判断function setCookie(cname, cvalue, exdays) {var d = new Date();d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));var expires = "expires=" + d.toGMTString();document.cookie = cname + "=" + cvalue + "; " + expires;}function getCookie(cname) {var name = cname + "=";var ca = document.cookie.split(';');for (var i = 0; i < ca.length; i++) {var c = ca[i].trim();if (c.indexOf(name) == 0) return c.substring(name.length, c.length);}return "";}function checkCookie() {var user = getCookie("username");if (user != "") {//不是首次访问 alert("Welcome again " + user);} else {//首次访问 user = prompt("Please enter your name:", "");if (user != "" && user != null) {setCookie("username", user, 2 / (3600 * 24));}}}window.onload = function() {checkCookie()}   </script>   </body></html>

阅读全文

0 0

关于 如何判断-浏览器首次访问判断

关于如何判断-浏览器首次访问判断