javascript to delete cookie by name from the dom code example
Example 1: javascript delete cookie
function deleteCookie(name) {
document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}
Example 2: how to delete a cookie in js
//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"