<!DOCTYPE html>
<html>
<body>
<p>Example list:</p>
<ul id="myList">
<li>Coffee</li>
<li>Tea</li>
</ul>
<p>Click the button to get the HTML content of the list's first child element.</p>
<button onclick="myFunction()">Try it</button>
<p><strong>Note:</strong> The firstElementChild property is not supported in IE8 and earlier versions.</p>
<p id="demo"></p>
<script>
function myFunction() {
var list = document.getElementById("myList").firstElementChild.innerHTML;
document.getElementById("demo").innerHTML = list;
}
</script>
</body>
</html>