JS cookie 常用的3個預設函數(庫)
<!DOCTYPE HTML><html><head><meta charset="utf-8"><title>無標題文檔</title><script>function setCookie(name, value, iDay) //iday是多少天后到期{ var oDate=new Date(); oDate.setDate(oDate.getDate()+iDay); document.cookie=name+'='+value+';expires='+oDate;} //黃色的等號其實是添加不是賦值的意思. 重複添加不會覆蓋//設定需要有到期的概念, 不設定會即時到期.function getCookie(name){ var arr=document.cookie.split('; '); for(var i=0;i<arr.length;i++) { var arr2=arr[i].split('='); //cookie的儲存形式是 user= zhangsan, =是:的意思,split'=' 切割cookie完成尋找功能 if(arr2[0]==name) { return arr2[1]; } } return '';}function removeCookie(name){ setCookie(name, 1, -1); //設定到期為-1天, 就是刪除了cookies, 實際上0也可以.}removeCookie('password');alert(document.cookie);</script></head><body></body></html>
記住使用者名稱
有時候需要刪除網站的cookies，一個一個太麻煩，這個可以批量的刪除所有的cookies，需要的朋友可以參考下。
function clearCookie(){ var keys=document.cookie.match(/[^ =;]+(?=\=)/g); if (keys) { for (var i = keys.length; i--;) document.cookie=keys[i]+'=0;expires=' + new Date( 0).toUTCString() } }Start building with 50+ products and up to 12 months usage for Elastic Compute Service
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