JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<button>Toggle</button>
<div class="menu"></div>

CSS

.menu{
  height: 300px;
  width: 100px;
  background:red;
  position: relative;
  transition: all 0.5s;
  left: -100%;
}

.active{
  left: 0px
}

JavaScript

var leftMenu = 100;
$('button').click(function(){
	if($('.menu').hasClass('active')){
  	$('.menu').removeClass('active');
  }else{
  	$('.menu').addClass('active');
  }
})