javascript cookies 存、取、删除实例
<script> //写cookies函数 作者:翟振凯 function SetCookie(name,value)//两个参数,一个是cookie的名子,一个是值 { var Days = 30; //此 cookie 将被保存 30 天 var exp = new Date(); //new Date(“December 31, 9998″); exp.setTime(exp.getTime() + Days*24*60*60*1000); document.cookie = name + “=”+ escape (value) + “;expires=” + exp.toGMTString(); } function getCookie(name)//取cookies函数 { var arr = document.cookie.match(new RegExp(“(^| )”+name+”=([^;]*)(;|$)”)); if(arr != null) return unescape(arr[2]); return null; } function delCookie(name)//删除cookie { var exp = new Date(); exp.setTime(exp.getTime() – 1); var cval=getCookie(name); if(cval!=null) document.cookie= name + “=”+cval+”;expires=”+exp.toGMTString(); } SetCookie (“xiaoqi”, “3″) alert(getCookie(‘xiaoqi’)); </script>