JSFiddle - React, Tailwind, and code Playground

by Muthuraman B

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">

<div class="accordion">Section 1</div>
<div class="col-md-12 col-sm-12 col-xs-12 panel">
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
</div>
<div class="accordion">Section 2</div>
<div class="col-md-12 col-sm-12 col-xs-12 panel">
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
</div>
<div class="accordion">Section 3</div>
<div class="col-md-12 col-sm-12 col-xs-12 panel">
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
</div>

SCSS

.accordion {
  width: 100%; padding: 10px 15px;display: flex;
  &:after {
    content: "\f054"; font-family: FontAwesome;margin: auto 0 auto auto; 
  }
}
.active {
  &:after {content: "\f078";}
}
.panel {
  max-height: 0; overflow: hidden; transition: max-height 0.2s ease-out;margin:0px;
}
.active + .panel {max-height: 1000px;transition: max-height 5s ease-out;}

JavaScript

// Accordion Start
var acc = document.getElementsByClassName("accordion");
var i;

for (i = 0; i < acc.length; i++) {
  acc[i].addEventListener("click",function() {
    var active = document.getElementsByClassName('active');
    if (active.length && active[0] !== this) {
      active[0].classList.remove('active');
    }
    this.classList.toggle("active");
  });
}
// Accordion End