HTML/CSS/CSS Attributes and Javascript Style Properties/layout flow
"layout-flow" Example
<html>
<body>
<p id="myP">This text has a regular horizontal flow</p>
<button onclick="myP.style.layoutFlow="vertical-ideographic";
myP.innerText="This text has a vertical-ideographic flow"">
Set layoutFlow to vertical-ideographic
</button>
</body>
</html>