引入js文件

<script src="js/jquery-1.11.0.min.js" type="text/javascript"></script>
<script src="js/TweenMax.min.js"></script>
<script src="js/ScrollMagic.min.js"></script>
<script src="js/animation.gsap.min.js"></script>
<script src="js/debug.addIndicators.min.js"></script>
<script src="assets/js/demo.js"></script>