Hey Kids, try this at home!

application.js

// Your Javascript will go here!
function randomValue() {
  return 127 + Math.floor(Math.random() * 128);
}

$(document).ready(function() {
  /* Add code from the next steps here. */
  $(document).keydown(function(event) {
    var color = [randomValue(), randomValue(), randomValue()];
    $('body').css('background-color', 'rgb(' + color.join(',') + ')');
  });
});