JSFiddle - React, Tailwind, and code Playground

HTML

<p><img src='https://www.google.com/logos/2012/Googles_14th_Birthday-2012-2-hp.gif' alt='' /></p>

<button>Click me</button>

CSS

img {
-webkit-transition:-webkit-filter 0.4s ease-in-out;        
}

.grey {
 -webkit-filter: grayscale(1);   
}

JavaScript

$(function() {
    $("button").click(function(){
        $("img").toggleClass("grey");
    });
});