JSFiddle - React, Tailwind, and code Playground

HTML

<body class="fa">
<div class="container fa">
    <input type="text" placeholder="write something" />
    <input type="email" placeholder="type your email" />
</div>
</body>

JavaScript

$(document).ready(function(){
        if($("body").hasClass('fa')){
            if('input:text'){
                $('input:text').attr('lang','fa');
            }
        }
    });