JSFiddle - React, Tailwind, and code Playground

by Bhumika107

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-datetimepicker/2.5.3/build/jquery.datetimepicker.full.js"></script>
<div class="left">
    <ul class="letters">
        <li>
            <a href="#letter-A">A</a>
        </li>
        <li>
            <a href="#letter-B">B</a>
        </li>
    </ul>
</div>
<div class="right brands-scroll" style="max-height: 106px;overflow-y: scroll;">
    <ul>
        <li><h3 id="letter-A">A</h3></li>
        <li>Apple</li>
        <li>Alphanso</li>
        <li><h3 id="letter-B">B</h3></li>
        <li>Ball</li>
        <li>Banana</li>
    </ul>
</div>

JavaScript

$('ul.letters li a').on('click', function (t) {
    t.preventDefault();
    var targetSec = $(this).attr('href');
    $('.brands-scroll').stop().animate({
        scrollTop: $(targetSec).offset().top
    }, 500);
});