<!DOCTYPE html>
<html>
<body>
<h3>A demonstration of how to access a HR element</h3>
<hr id="myHR">
<p>Click the button to hide the HR element.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var x = document.getElementById("myHR");
x.style.display = "none";
}
</script>
</body>
</html>