jQuery苹果ios10风格背景图片视差动画特效

js代码

<script src=\"js/jquery-1.11.0.min.js\" type=\"text/javascript\"></script>
<script src=\"js/ios-parallax.js\"></script>
  <script type=\"text/javascript\">
	$(document).ready(function() {
	  $(\'#top-image\').iosParallax({
		movementFactor: 50
	  });
	});
</script>