eclass_video_autosetspeed.js

// ==UserScript==
// @name         eclass autosetspeed
// @namespace    no
// @version      0.1
// @description  no
// @author       phillychi3
// @match        https://eclass.yuntech.edu.tw/course/*
// @match        https://tronclass.com.tw/course/*
// @icon         https://media.discordapp.net/attachments/922733774633050112/969011518861623376/256.png
// @grant        none
// ==/UserScript==

;(function () {
	'use strict'
	let video
	let speed = 16
	document.addEventListener('play', setplayspeed, true)
	document.addEventListener('playing', whenplaysetspeed, true)
	function setplayspeed(event) {
		video = event.target
	}
	function whenplaysetspeed(enent) {
		event.target.playbackRate = speed
		event.target.muted = true
		event.target.__proto__.pause = () => {}
	}
})()