Answers for "js set and remove cookie"

javascript delete cookie

function deleteCookie(name) {
  document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}

clearing cookie in js

document.cookie.split(";")
  .forEach(function(c) { 
  	document.cookie = c.replace(/^ +/, "").replace(/=.*/, "=;expires=" + new Date().toUTCString() + ";path=/"); });