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 type="text/javascript">
$(document).ready(function () {
	var $demo = $('.demo');
	var numOfSections = $('.demo__section').length;
	$(document).on('click', '.demo__menu-btn', function () {
		$demo.addClass('menu-active');
	});
	$(document).on('click', '.demo__close-menu', function () {
		$demo.removeClass('menu-active');
	});
	$(document).on('click', '.demo.menu-active .demo__section', function () {
		var $section = $(this);
		var index = +$section.data('section');
		$('.demo__section.active').removeClass('active');
		$('.demo__section.inactive').removeClass('inactive');
		$section.addClass('active');
		$demo.removeClass('menu-active');
		for (var i = index + 1; i <= numOfSections; i++) {
			if (window.CP.shouldStopExecution(1)) {
				break;
			}
			$('.demo__section[data-section=' + i + ']').addClass('inactive');
		}
		window.CP.exitedLoop(1);
	});
});
</script>