Udacity "Next" clicker (Nanodegree program)

Don't tire yourself by pressing the Next button! You should only press "s" button.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Udacity "Next" clicker (Nanodegree program)
// @namespace    https://openuserjs.org/users/uzbek
// @licence      MIT
// @copyright    2021, Uzbek (https://openuserjs.org/users/uzbek)
// @version      1.1.1
// @description  Don't tire yourself by pressing the Next button! You should only press "s" button.
// @author       Uzbek
// @match        https://classroom.udacity.com/nanodegrees/nd*/*
// @icon         https://visualpharm.com/assets/890/Hacker-595b40b75ba036ed117d616b.svg
// @grant        none
// ==/UserScript==

(function () {
  'use strict';
  document.body.onkeypress = function (e) {
    if (e.code == 'KeyS') {
      sPressed();
    }
  };
})();

function sPressed() {
  if (document.querySelectorAll('.vds-modal').length > 0) {
    let elem = document.querySelectorAll(".vds-modal .vds-button.vds-button--primary");
    if (elem.length > 0) {
      elem[0].click();
      setTimeout(sPressed, 2000);
    }
    else {
      alert('No next button');
    }
  }
  else {
    let elem = document.querySelectorAll("._main--footer-container--3vC-_>button.vds-button.vds-button--secondary");
    if (elem.length > 0) {
      elem[0].click();
      setTimeout(sPressed, 2000);
    }
    else {
      let elem2 = document.querySelector('.index--lesson-card--mwX1V ._lesson-expanded--actions--KkY9y button.vds-button');
      if (elem2) {
        elem2.click();
        setTimeout(sPressed, 2000);
      }
      else {
        alert('No next button');
      }
    }
  }
}