// ==UserScript==
// @name         极时学防掉线
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  防掉线
// @author       You
// @license MIT
// @match        https://gk-elearning.yunxuetang.cn/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=61.156
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
  'use strict'
  setInterval(() => {
    const event = new Event('mousemove')
    window.dispatchEvent(event)
  }, 1000)
  const thorttle = (delay, fn) => {
    let time = Date.now()
    return () => {
      if (Date.now() - time > delay) {
        fn()
        time = Date.now()
      }
    }
  }
  window.addEventListener('mousemove', thorttle(5000, () => {
    console.log('ping')
  }))
  // Your code here...
})()