<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Set HREF for Anchor Tag</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
$(document).ready(function(){
$('a[href^="http://"]').each(function(){
var oldUrl = $(this).attr("href"); // Get current url
var newUrl = oldUrl.replace("http://", "https://"); // Create new url
$(this).attr("href", newUrl); // Set herf value
});
});
</script>
</head>
<body>
<p><a href="http://www.google.com">Google</a></p>
<p><a href="http://www.gmail.com">Gmail</a></p>
</body>
</html>