Rx JavaScript mouse clicks

ClickAggregate.html

<script src="http://code.jquery.com/jquery-latest.js"></script>
<script src="rx.js" type="text/javascript"></script>
<script type="text/javascript">
	$(document).ready(function () {
		var click = Rx.Observable.FromHtmlEvent($("#scanButton").context, "click");
		var dblClick = Rx.Observable.FromHtmlEvent($("#scanButton").context, "dblclick");

		var clickAggregate = click.Merge(dblClick).Scan(0, function(acc, x) {
			return acc + 1;
		});

		clickAggregate.Subscribe(function(times) {
			$("#results").html("Clicked " + times + " times");
		});
	});
</script>