Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>Click the button to create a BDO element with some text that goes right-to-left.</p>

<button onclick="myFunction()">Try it</button>

<script>
function myFunction() {
    var x = document.createElement("BDO");
    var t = document.createTextNode("This text will go right-to-left.");
    x.setAttribute("dir", "rtl");
    x.appendChild(t);
    document.body.appendChild(x);
}
</script>

</body>
</html>