How to destroy cookies on page refresh

// 创建一个函数来设置cookie
function setCookie(name, value, days) {
  var expires = "";
  if (days) {
    var date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    expires = "; expires=" + date.toUTCString();
  }
  document.cookie = name + "=" + (value || "") + expires + "; path=/";
}

// 创建一个函数来删除cookie
function deleteCookie(name) {
  setCookie(name, "", -1);
}

// 在页面加载时删除指定的cookie
window.onload = function() {
  deleteCookie("yourCookieName");
};