Simple automated solution to hackerrank.com beta invite challenge

hackerrank.challenge.js

var cmd = $("#prompt-input");

function newGame(num) {
	triggerInput(cmd, "clear");
	if(num % 6 == 0) num++;
	triggerInput(cmd, "challenge " + num);
}

function triggerInput(cmd, str) {
	cmd.val(str);
	var evt = $.Event("keydown");
	evt.keyCode = 13; // Enter..
	cmd.trigger(evt);
}

cmd.ajaxSuccess(function(evt, data) {
	var response = $.parseJSON(data.responseText);
	var game = response.game;
	var n = response.n;
	game = game ? game : n ? response : null;
	if(game) {
		var n = parseInt(game.n, 10);
		var current = parseInt(game.current, 10);
		if(current > 0)
			triggerInput($("#game-input"), "" + (current % 6));
		else
			setTimeout(newGame, 1000, n + 1); // wait for 1 second between new games...
	}
});

newGame(6); // start...