<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function boom()
{
document.documentElement.offsetHeight;
document.getElementById("x").style.content = "'x'";
document.documentElement.offsetHeight;
document.getElementById("s").remove();
document.documentElement.offsetHeight;
}
</script>
</head>
<body onload="boom();">
<div style="display: inline-grid; white-space: pre;"><div id="x"><span>
<span>
</span><span id="s"></span></span></div></div>
</body>
</html>