function deleteAllCookies() {
var cookies = document.cookie.split(";");
for (var i = 0; i < cookies.length; i++) {
var cookie = cookies[i];
var eqPos = cookie.indexOf("=");
var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
}
}
请注意,此代码有两个限制:
HttpOnly
标志的Cookie,因为HttpOnly
标志禁用Javascript对Cookie的访问.Path
的cookie.(尽管这些cookie将出现在document.cookie
中,但如果不指定设置它的相同Path
值,就无法删除它.)