How to make a custom jQuery `activate` event. This is useful for UI elements that can be activated by mouse click or using the enter key for keyboard accessibility.

gistfile1.js

$(document).ready(function() {
	$(document).on('click keypress', function(event) {
		if (event.type == 'click' || event.which == 13) {
			$(event.target).trigger('activate');
		}
	});
	$("button").on('activate', function() {
		alert('Button activated!');
	});
});