<head>
<title>Title</title>
<script src="https://cdn.jsdelivr.net/npm/js-cookie@2.2.1/src/js.cookie.min.js"></script>
</head>
<body>
<input type="text" id="input_value">
<a href="#" class="write_cookie"> Write cookie </a>
<script>
$(function() {
$('a.write_cookie').on('click', function(e) {
e.preventDefault();
var text = $('#input_value').val();
console.log(text)
Cookies.set('default', text)
});
});
</script>
</body>