Ludum Dare Theme Slaughter Key Shortcuts

themeslaughter.user.js

// ==UserScript==
// @name        Ludum Dare Theme Slaughter Keyshortcuts
// @namespace   xenotoad.net
// @include     http://ludumdare.com/theme/*
// @version     1
// @grant       none
// ==/UserScript==

// A: Good
// S: Slaughter
// D: Bad

document.addEventListener("keyup", function(evt) {
  var s = String.fromCharCode(evt.keyCode);
  var a = document.getElementsByTagName("a");
  console.log(s);
  if(s == "A") {
    window.location = a[1].href;
  } else if(s == "S") {
    window.location = a[3].href;
  } else if(s == "D") {
    window.location = a[2].href;
  }
}, false);