Press Any Key

  document.addEventListener('keydown', function(e) {
    if(e.keyCode === <KEY_CODE>) {
      e.preventDefault();
      console.log('You just pressed a key');  
    }
  });
  jQuery(document).on('keydown', function(e) {
    if(e.keyCode === <KEY_CODE>) {
      e.preventDefault();
      console.log('You just pressed a key');  
    }
  });