Youtube classic more link fix

youtubeClassMoreLinkFix.user.js

// ==UserScript==
// @name        Youtube classic more link fix
// @namespace   Youtube classic more link fix
// @match       http*://www.youtube.com/watch*
// @grant       none
// @version     1.0
// @author      jackysee
// @description 6/16/2020, 11:53:24 AM
// ==/UserScript==

function makeBtn() {
  var w = document.getElementById('watch-description');
  if(!w) {
    return;
  }
  var b = document.createElement('button');
  b.className = 'yt-uix-button yt-uix-button-size-default yt-uix-button-expander yt-uix-expander-head';
  b.innerHTML = 'SHOW MORE';
  w.insertAdjacentElement('afterend', b);
  b.addEventListener('click', function() {
    var expand = b.innerHTML === 'SHOW MORE';
    document.getElementById('action-panel-details').classList.toggle('yt-uix-expander-collapsed', expand);
    b.innerHTML = expand ? 'SHOW LESS': 'SHOW MORE'
  });  
}
setTimeout(() => makeBtn());

//progress bar done
document.addEventListener('spfdone', makeBtn);