JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<button id="someid">
Click Here
</button>
CSS
.myclass{
background-color:red;
}
JavaScript
$( "#someid" ).click(function() {
$(this).addClass('myclass');
localStorage.setItem('clicked', '1');
});
if(localStorage.getItem("clicked") != null){
$("#someid").addClass('myclass');
}