js代码

<script src='js/stopExecutionOnTimeout.js?t=1'></script>
<script src="js/jquery-2.1.1.min.js" type="text/javascript"></script>
<script>
$(document).ready(function () {
	var $demo = $('.demo');
	var menuTextAT = 500;
	$(document).on('click', '.demo__menu-btn', function () {
		$demo.addClass('menu-active');
	});
	$(document).on('click', '.demo__menu-item', function () {
		var $item = $(this);
		var targetSection = $item.data('section');
		$item.addClass('clicked');
		$demo.removeClass('menu-active');
		$('.demo__section.active-section').removeClass('active-section');
		$('.demo__section--' + targetSection).addClass('active-section');
		setTimeout(function () {
			$item.removeClass('clicked');
		}, menuTextAT);
	});
});
</script>