TampermonkeyCode

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        *://*.zhihuishu.com/learning/videoStudy*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';


    var fa=$("body");  
        var btn=$("<li></li>");  
        var json={  
            "background":"#31e16d",  
            "height":"16px",  
            "padding":"5px",  
            "cursor": "pointer",  
            "top":"300px",  
            "right":"80px",  
            "position": "fixed"  
        };  
        btn.css(json);  
        btn.html("<span id='lfsenior'>开启自动播放模式</span>");  
        fa.append(btn);  
        var bodywidth=$("#body").css("width");  
        var mainwidth=$("#main").css("width");  
        btn.click(function () {  
           $("#lfsenior").html("自动模式已开启");  
           //关闭弹题  
            setInterval(function(){  
            //开启倍速播放
            document.getElementsByClassName("speedTab15")[0].click();
                $(".popboxes_close").click();  
                //获取当前进度  
                //var spans=$(".current_play span");  
                var progress=$(".progress-num").width();  
                if("100"==progress){  
                   //播放完毕  
                   $(".nextButton").click() 
                }else{  
                   $("#vjs_container_html5_api")[0].play();  
                    $("#vjs_container_html5_api")[0].muted=true;  
                }  
                 $("#lfsenior").html("自动模式已开启,本章进度:"+progress+"%");  
            },100);  
  
  
        });  
        //开启自动模式
        document.getElementById("lfsenior").click();
})();