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";
}
}
deleteAllCookies();function deleteCookie(name) {
document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}//set the vvalue to EMPTY, and the date to an already PASSED one.
document.cookie = "cookiename= ; expires = Thu, 01 Jan 1970 00:00:00 GMT"const clearCookies = document.cookie.split(';').forEach(cookie => document.cookie = cookie.replace(/^ +/, '').replace(/=.*/, `=;expires=${new Date(0).toUTCString()};path=/`));
document.cookie.split(";")
.forEach(function(c) {
document.cookie = c.replace(/^ +/, "").replace(/=.*/, "=;expires=" + new Date().toUTCString() + ";path=/"); });
document.cookie = "username=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";