JSFiddle - React, Tailwind, and code Playground

HTML

<button type='button' id='toggle' value='click me'>Click Me</button>
<div class='excerpt hidden'></div>
<div class='excerpt hidden'></div>
<div class='excerpt hidden'></div>
<div class='excerpt hidden'></div>
<div class='excerpt hidden'></div>
<div class='excerpt hidden'></div>

CSS

.excerpt{
    height:3em;   
    background:#000;
    margin:1em;
}
.hidden{
    display:none;
}

JavaScript

(function($){
    $('#toggle').on('click', function(){
       $('.excerpt').toggleClass('hidden'); 
    });
})(jQuery)