gistfile1.txt

// ==UserScript==
// @name         netflix
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  try to take over the world!
// @author       You
// @match        *://www.netflix.com/*
// @grant        none
// @run-at      document-start
// ==/UserScript==

'use strict';

const listeners = [];

const check = function() {
  for (let listener of listeners) {
    const elements = document.querySelectorAll(listener.selector);

    for (let element of elements) {
      if (!element.ready) {
        element.ready = true;

        listener.fn.call(element, element);
      }
    }
  }

};

const observer = new MutationObserver(check);

observer.observe(document.documentElement, {
  childList: true,
  subtree: true
}
);

const watch = function(selector, fn) {
  listeners.push({ selector, fn });

  check();

  return function() {
    var idx = listeners.findIndex(function(listener) {
      return listener.selector === selector
    })

    if (idx > -1) { listeners.splice(idx, 1) }
  }
};

// skip intro
watch('.skip-credits', function(element) {
  console.log(element)
  var skip = element.children[0]
  var unwatch = watch('.button-nfplayerPlay', function(play) {
    console.log('play button found, clicking')
    play.click()
  })
  skip.click()
  setTimeout(unwatch, 1000)
})

// auto play next

//watch('.nf-flat-button-icon-play', element => element.parentElement.click())
watch('button[data-uia="next-episode-seamless-button"]', element => element.click())