<!DOCTYPE html> | |
<body> | |
<div id='testElement' style='display: none'>TEST</div> | |
<script> | |
setInterval(function() { | |
// Change the style of a display:none element. | |
var testElement = document.getElementById("testElement"); | |
testElement.style["left"] = "" + Math.floor((Math.random() * 10) + 1) + "px"; | |
}, 0); | |
</script> | |
</body> |