konami.js

/* i stole this */
var allowedKeys = {
  37: "left",
  38: "up",
  39: "right",
  40: "down",
  65: "a",
  66: "b"
};

var konamiCode = [
  "up",
  "up",
  "down",
  "down",
  "left",
  "right",
  "left",
  "right",
  "b",
  "a"
];

var konamiCodePosition = 0;

document.addEventListener("keydown", function(e) {
  var key = allowedKeys[e.keyCode];
  var requiredKey = konamiCode[konamiCodePosition];

  if (key == requiredKey) {
    konamiCodePosition++;

    if (konamiCodePosition == konamiCode.length) {
      activateCheats();
      konamiCodePosition = 0;
    }
  } else {
    konamiCodePosition = 0;
  }
});

function activateCheats() {
  alert("created with 💖 by slash - backslashg.com - it wasn't, i enslaved him - millx");
}