glitchy webpage (contains flashes).js

javascript:(function(){function c(){return'#'+Math.floor(16777215*Math.random()).toString(16)}function r(e){return Math.floor(Math.random()*e)+1}function l(e){e.requestFullscreen?e.requestFullscreen():e.mozRequestFullScreen?e.mozRequestFullScreen():e.webkitRequestFullscreen?e.webkitRequestFullscreen():e.msRequestFullscreen&&e.msRequestFullscreen()}var d=document;d.head.innerHTML='<style>*{margin:0; overflow:hidden; padding:0;overflow:hidden;} div{  transform-origin: 50% 50%; width:100%; height:1px; position:relative; z-index:1;} </style>',d.body.innerHTML='';var w=window.screen.availHeight;for(d.body.addEventListener('click',function(){l(d.documentElement)}),i=0;w>=i;i++){var z=d.createElement('div');z.id='b'+i,z.style.backgroundColor=c(),d.body.appendChild(z)}setInterval(function(){for(var e=0;10>e;e++)d.getElementById('b'+r(w)).style.backgroundColor=c(),d.getElementById('b'+r(w)).style.height=r(4)+'px',d.body.style.backgroundColor=c(),d.body.style.transform=r(256)>128?'scale(3) rotate('+r(35)+'deg)':'rotate(0deg) scale(1)';window.scrollTo(0,document.body.scrollHeight)},10),setInterval(function(){window.scrollTo(0,0)},50);})()