css js libary apple scrolling effect code example

Example: scroll animation like apple website

<script src="//cdnjs.cloudflare.com/ajax/libs/ScrollMagic/2.0.7/ScrollMagic.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/ScrollMagic/2.0.7/plugins/debug.addIndicators.min.js"></script>