☰

Youtube: UpDown to Scroll

Scroll up/down when using home/end/up/down arrow/page up/page down instead of controlling the volume.

  1. // ==UserScript==
  2. // @name            Youtube: UpDown to Scroll
  3. // @description     Scroll up/down when using home/end/up/down arrow/page up/page down instead of controlling the volume.
  4. // @author          Chris H (Zren)
  5. // @icon            https://youtube.com/favicon.ico
  6. // @namespace       http://xshade.ca
  7. // @version         5
  8. // @include         http*://*.youtube.com/*
  9. // @include         http*://youtube.com/*
  10. // @include         http*://*.youtu.be/*
  11. // @include         http*://youtu.be/*
  12. // ==/UserScript==
  13.  
  14. window.addEventListener('keydown', function(e) {
  15.     var validTarget = e.target.id === 'movie_player' || e.target.id === 'player-api' || e.target.className === 'ytp-progress-bar'
  16.     if (validTarget) {
  17.         if (e.keyCode === 33) { // PageUp
  18.             e.stopPropagation()
  19.         } else if (e.keyCode === 34) { // PageDown
  20.             e.stopPropagation()
  21.         } else if (e.keyCode === 35) { // End
  22.             e.stopPropagation()
  23.         } else if (e.keyCode === 36) { // Home
  24.             e.stopPropagation()
  25.         } else if (e.keyCode === 38) { // ArrowUp
  26.             e.stopPropagation()
  27.         } else if (e.keyCode === 40) { // ArrowDown
  28.             e.stopPropagation()
  29.         }
  30.     }
  31. }, true);