The HTML object represents an HTML <html> element.
The HTML object supports the standard properties and events.
We can access the <html> element by using getElementsByTagName().
<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">test</button>
<!-- ww w.ja v a 2 s . c o m-->
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementsByTagName("HTML")[0].innerHTML;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>
The code above is rendered as follows: