HTML/CSS/CSS Attributes and Javascript Style Properties/writing mode
"writing-mode" Example
<html>
<body>
<div id="myD"
style="width:100%; background-color:beige;">
This is sample text.
txet elpmas si sihT.
</div>
<br>
<input type="button"
value="Set writingMode property to tb-rl"
onclick="myD.style.writingMode="tb-rl"">
<input type="button"
value="Set writingMode property to lr-tb"
onclick="myD.style.writingMode="lr-tb"">
</body>
</html>