Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        document.addEventListener('DOMContentLoaded', () => {

        });
    </script>
</head>
<body>
    <strong data-locale="en"> change language </strong>
    <a href="#">en</a>
    <a href="#">bg</a>

    <form action="">
        <ul>
            <li data-translate="Европа">Europe</li>
            <li data-translate="Азия">Asia</li>
            <li data-translate="Африка">Africa</li>
        </ul>
    </form>
</body>
</html>