JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="tgt"><img src="http://placehold.it/48x48" width="48px" height="48px"></li>
    <li class="tgt"><img src="http://placehold.it/48x48" width="48px" height="48px"></li>
    <li class="tgt"><img src="http://placehold.it/48x48" width="48px" height="48px"></li>
</ul>

CSS

.active {
    background: fuchsia;
}

JavaScript

$('.tgt').on('click', function (e) {
    if ($(e.target).hasClass('tgt')) {
        $(e.target).addClass('active');
    }
});