clear_cookie_jd.js

function setCookie(cname, cvalue, exdays,d) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires="+d.toUTCString();
    if(d){
      var domain=";domain=.jd.com";
    }else{
      var domain="";
    }

    document.cookie = cname + "=" + cvalue + "; " + expires+domain;
}
function Trim(str)
        {
            return str.replace(/(^\s*)|(\s*$)/g, "");
    }
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++) {
      var c = ca[i];
      var name=Trim(c.split("=")[0]);
      setCookie(name, "", -1);
      setCookie(name, "", -1,1);
      console.log(name);
}