egory="Commands" class="btn btn-default">Button 1</button>

	<!-- same as analytics-on="click", because 'click' is the default -->
	<button analytics-on analytics-event="Button 2" analytics-category="Commands" class="btn btn-primary">Button 2</button>

	<!-- same as analytics-event="Button 3", because is inferred from innerText -->
	<button analytics-on analytics-category="Commands" class="btn btn-success">Button 3</button>

	<button analytics-on analytics-label="Button4 label" analytics-value="1" class="bt