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Motherless gallery keyboard navigation

Increases productivity when you're not being productive. Supports left and right handed browsing (arrow keys or A and D)

  1. // ==UserScript==
  2. // @name        Motherless gallery keyboard navigation
  3. // @namespace   niceme.me
  4. // @description Increases productivity when you're not being productive. Supports left and right handed browsing (arrow keys or A and D)
  5. // @include     http://motherless.com/*
  6. // @version     1.1
  7. // @grant       none
  8. // ==/UserScript==
  9. if ($('.previous-link').attr('href') != 'undefined') {
  10.   prevUrl = 'http://motherless.com' + $('.previous-link').attr('href');
  11.   nextUrl = 'http://motherless.com' + $('.next-link').attr('href');
  12. }
  13.  
  14. if (prevUrl != 'http://motherless.comundefined' || nextUrl != 'http://motherless.comundefined') {
  15.   window.addEventListener('keydown', function (e) {
  16.     if (((e.key == 'ArrowRight' || e.key == 'd') ||  // Firefox
  17.          (e.keyCode == 39 || e.keyCode == 68)) && // Chrome
  18.          nextUrl != 'http://motherless.comundefined') {
  19.         document.location.href = nextUrl;
  20.     } else if (((e.key == 'ArrowLeft' || e.key == 'a') || // Firefox
  21.                (e.keyCode == 37 || e.keyCode == 65)) // Chrome
  22.                && prevUrl != 'http://motherless.comundefined') {
  23.       document.location.href = prevUrl;
  24.     }
  25.   });
  26. }