konami.coffee

konami.coffee

showKonami = ->
  alert 'KONAMI'

inputs = []
input = (e) ->
  inputs.push(e.keyCode)
  if e.keyCode is 65
    len = inputs.length
    if inputs[len - 10] is 38 and inputs[len - 1] is 65
      if [38, 38, 40, 40, 37, 39, 37, 39, 66, 65].join('') is inputs.slice(len - 10, len).join('')
        showKonami()

document.body.addEventListener('keyup', input, false)