document.cookie = "CookieName=; expires=Thu,01 Jan 1970 00:00:00 UTC";
有两个cookie,一个在域www.websiteaddress.com上,另一个在.websiteaddress.com上.当我在www.websiteaddress.com页面上时,域名为www.websiteaddress.com的cookie将被删除,但其他cookie不会被删除.如何在www.websiteaddress.com上加载javascript时删除这两个cookie
