JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">
        <div id="banks">
            <ul>
                <li class="active">Bank1</li>
                <li>Bank2</li>
            </ul>
        </div>
        <div id="buttons">
            <ul>
                <li class="active">USD</li>
                <li>EURO</li>
            </ul>        
        </div>
</div>

CSS

.box li { cursor:pointer; }
#banks .active { color:red; }
#buttons .active { color:blue; }

JavaScript

$('.box li').click(function() {
    $(this).siblings('li').removeClass('active');
    $(this).addClass('active');
});