<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>dir() selector</title>
<style>
:dir(ltr) { color: blue }
:dir(rtl) { color: lime }
:dir(foopy) { color: red }
div { text-align: left; }
</style>
<script type="text/javascript">
function switchDir()
{
divs = document.getElementsByTagName("div");
for (var i = 0; i < divs.length; ++i) {
theDiv = divs[i];
if (theDiv.dir == "ltr") {
theDiv.dir = "rtl";
} else if (theDiv.dir == "rtl") {
theDiv.dir = "ltr";
}
}
}
</script>
</head>
<body onload="switchDir()">
<div>This element has default direction.</div>
<div dir="rtl">This element is ltr.</div>
<div dir="ltr">This element is rtl.</div>
<div dir="rtl">
<div>This element should inherit ltr.</div>
<div dir="rtl">This element is ltr.</div>
<div dir="ltr">This element is rtl.</div>
<div><span>Every <span>word <span>in <span>this <span>element <span>should <span>inherit <span>ltr</span></span></span></span></span></span></span></span>.</div>
</div>
<div dir="ltr">
<div>This element should inherit rtl.</div>
<div dir="rtl">This element is ltr.</div>
<div dir="ltr">This element is rtl.</div>
<div><span>Every <span>word <span>in <span>this <span>element <span>should <span>inherit <span>rtl</span></span></span></span></span></span></span></span>.</div>
</div>
<div dir="foopy">This element has an invalid dir attribute and
should have default direction.</div>
</body>
</html>