JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="toggle">toggle</a>
<br/>
<br/>
<br/>
<br/>
<div id="content"><p>content</p></div>
<div id="content2"><p>content2</p></div>

CSS

#content {display: none !important;}
#content2 {display: none;}

JavaScript

$('#toggle').click(function() {
    $('#content').attr('style', 'display: block !important');
    $('#content2').css('display', 'block');
});