js自动刷视频

var buttons = document.getElementsByClassName("next_button___YGZWZ");
setInterval(function() {
 var button = buttons[0];
 if(typeof(button) != 'undefined'){
  console.log("next chapter!!!")
  button.click();
 }
},5000);
var outters = document.getElementsByClassName("outter");
setInterval(function() {
 var playing = document.getElementsByClassName("prism-big-play-btn");
 var attr = playing[0].getAttribute('class');
 if(attr.indexOf('playing') < 0){
  var outter = outters[0];
  if(typeof(outter) != 'undefined'){
   console.log("video start!!!")
   outter.click();
  }
 }
},5000);
setInterval(function() {
 var ant = document.getElementsByClassName("ant-btn-primary");
 if(ant.length != 0){
  ant[0].click();
 }
},5000);