js建立和擷取cookie

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建立cookie

document.cookie=‘like=1‘;   //建立 cookie鍵名和值var str = document.cookie;

 

擷取cookie

讀取cookie
function getCookie(c_name){if (document.cookie.length>0){ c_start=document.cookie.indexOf(c_name + "=")if (c_start!=-1){ c_start=c_start + c_name.length+1 c_end=document.cookie.indexOf(";",c_start)if (c_end==-1) c_end=document.cookie.lengthreturn unescape(document.cookie.substring(c_start,c_end))} }return ""}

//讀取cookies
function getCookie(name)
{
var arr,reg=new RegExp(”(^| )”+name+”=([^;]*)(;|$)”);
if(arr=document.cookie.match(reg)) return unescape(arr[2]);
else return null;
}

 

建立cookie
function setcookie(){    document.cookie=‘like=ok‘;  }alert(getcookie(‘like‘))