// ==UserScript==
// @name         绍兴市专业技术人员继续教育平台公需课学习
// @version     1.0
// @description  切换窗口视频停止播放
// @author
// @include        *://220.191.224.159/*
// @grant        none
// @namespace https://greasyfork.org/users/168620
// @downloadURL none
// ==/UserScript==
 
(function() {
    'use strict';
 
    // Your code here...
    window.onfocus = function(){console.log('on focus')};
    window.onblur = function(){console.log('on blur')};
})();