<!DOCTYPE html>
<html>
<body>
<h1>Getting the current URL in JavaScript</h1>
<p id="protocol">URL will display here<p>
<script>
let protocol = document.getElementById('protocol');
protocol.innerHTML = "The page protocol is: <b>" + window.location.protocol + "</b>";
</script>
</body>
</html>

 
<!DOCTYPE html>
<html>
<body>
<h1>Getting the current URL in JavaScript</h1>
<p id="protocol">URL will display here<p>
<script>
let protocol = document.getElementById('protocol');
protocol.innerHTML = "The page protocol is: <b>" + window.location.protocol + "</b>";
</script>
</body>
</html>

Getting the current URL in JavaScript

The page protocol is: https: