JSFiddle - React, Tailwind, and code Playground

by Town

HTML

<li class="helpList">
    <a href="#">
        <img src="/images/collapse.png" class="helpToggle" alt="Contraer" />How do I do stuff?</a>
    <div class="helpContent">To do stuff, please do something.</div>
</li>

CSS

.helpContent {display: none;}

JavaScript

$('li.helpList a').click(function() {
    var anchor = this;
    $(this).next().slideToggle("fast", function() {
        $('img', anchor).attr("src", "http://www.christownsend.com/images/superdog.jpg");
    });
});