// ==UserScript==
// @name        YouTube Mobile - No minimization halt
// @namespace   youtube-nomini
// @description Do not halt videos when the page is minimized
// @include     http://m.youtube.com/*
// @include     https://m.youtube.com/*
// @version     1.0
// @grant       none
// @run-at      document-start
// ==/UserScript==

var docEventListener = document.__proto__.addEventListener
document.__proto__.addEventListener = function() {
  if (arguments[0] == "visibilitychange") {
    return
  }
  return docEventListener(...arguments)
}