清掉cookie代码

javascript:var ck=document.cookie.split(";");var re=/.*?=/;var ne=[];for(i=0;i<ck.length;i++){try{ ne[i]=re.exec(ck[i])[0];document.cookie=ne[i];}catch(e){}};void(0);

javascript:(function(){acookie=document.cookie.split(';');for(var i=0;i<acookie.length;i++){document.cookie=acookie[i]+';expires=fri, 1 jul 2000 09:45:27 utc'}alert(document.cookie);})()