JSFiddle - React, Tailwind, and code Playground

by locally

HTML

<img class="grayscale" src="http://www.morecambeandwize.com/wp-content/uploads/2014/10/IMG_2366-150x150.jpg" alt="Vw Camper Vans for Sale" width="150" height="150">
    
   <script src="http://cdn.jsdelivr.net/jquery.gray/1.4.2/jquery.gray.min.js"></script>

JavaScript

$('img').gray();