定时炸弹，网页特效
点击下面的运行看效果：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>定时炸弹</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bodymovin/5.7.4/lottie.min.js"></script>
<style>
body{background-color:#84B9BE;overflow:hidden;text-align:center}body,html{height:100%;width:100%;margin:0;padding:0}#animationWindow{width:100%;height:100%}
</style>
</head>
<body>
<div id="animationWindow"></div>
</body>
<script>
var select=function(s){return document.querySelector(s)},selectAll=function(s){return document.querySelectorAll(s)},animationWindow=select('#animationWindow'),animData={wrapper:animationWindow,animType:'svg',loop:true,prerender:true,autoplay:true,path:'https://s3-us-west-2.amazonaws.com/s.cdpn.io/35984/walking_time_bomb.json'},anim;anim=lottie.loadAnimation(animData);anim.setSpeed(1);
</script>
</html>