cookie editor

localStorage.clear(); 
function get_cookie(cookie_name) { const value = "; " + document.cookie; const parts = value.split("; " + cookie_name + "="); if (parts.length === 2) return parts.pop().split(";").shift(); } 

alert("your cookies are: "+document.cookie+"");

var edit=prompt("what cookie do you want to edit?");
var value=get_cookie(edit);
var newvalue=prompt("what do do want to replace it with?",value);
document.cookie=""+edit+"="+newvalue+"";
window.location.reload(1);