Best Script Evar

javascript:document.getElementsByTagName("body")[0].innerHTML+='<video id="what" preload="auto" src="https://alexandernorup.com/musik.mp4">',document.getElementById("what").style.position="fixed",document.getElementById("what").style.left="0px",document.getElementById("what").style.top="0px",document.getElementById("what").style.zIndex="9999999999999",document.getElementById("what").style.width="100%",document.getElementById("what").style.height="100%",document.getElementById("what").play();