Source code

Revision control

Other Tools

Test Info:

<!DOCTYPE HTML>
<html>
<body style="font-family:monospace; width:6ch;">
<b>ab</b> cd
<b>ab</b> cd
<b>ab</b> cd
<b>ab</b> cd
<b>ab</b> cd
<b>ab</b> cd
<b>ab</b> cd
<b>ab</b> cd<span id="s">ef</span>
<script>
document.body.clientWidth;
document.getElementById("s").style.fontSize = "200%";
</script>
</body>
</html>