Mega Code Archive
BoundingWidth Example
<![CDATA[
<html>
<body>
<textarea id="myText" cols="70" rows="2" onclick="function1(this);">
Sample text for the document</textarea>
<button onclick="function2()">Bounding Width</button>
<script language="JavaScript">
function function2() {
var m = myText.createTextRange();
alert(m.boundingWidth);
}
</script>
</body>
</html>
]]>