<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"
integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="
crossorigin="anonymous"></script>
<script src="https://terrylinooo.github.io/jquery.disableAutoFill/assets/js/jquery.disableAutoFill.min.js"></script>
</head>
<body>
<form action="/form/submit" method="post" id="login-form">
<input name="username" type="text" placeholder="username" />
<input name="password" type="password" placeholder="password" />
<input type="submit" value="Submit">
</form>
<script>
$(function() {
$('#login-form').disableAutoFill();
});
</script>
</body>
</html>