选项卡欺骗提示

/**
 * 状态栏判断
 */
function judgeState() {
  var OriginTitle = document.title;
  var titleTime;
  document.addEventListener('visibilitychange', function () {                   //浏览器切换事件
    if (document.visibilityState === 'hidden') {                                //状态判断
      document.title = ' (╥﹏╥) 你快回来 ~ ';
      clearTimeout(titleTime);
    } else {
      document.title = ' (∩_∩) 欢迎回来 ~ ' + OriginTitle;
      titleTime = setTimeout(function () {
        document.title = OriginTitle;
      }, 1500);
    }
  });
  console.log('%c欢迎来到DoubleAm的主页 ～ ', 'background:chocolate;border:1px solid tomato;border-radius:10px;box-sizing:border-box;color:yellow;font-size:26px;padding:13px;line-height:26px;');
}