JSFiddle - React, Tailwind, and code Playground

by brianeoneill

HTML

<img class="thumbnail" src="http://australianmuseum.net.au/Uploads/Images/11950/frog%20caerulea_big.jpg">
<img class="thumbnail" src="http://www.jigzone.com/p/jz/isA/TreeFrog.jpg" >

<img id="main-img" src="http://www.jigzone.com/p/jz/isA/TreeFrog.jpg">

CSS

.thumbnail { height: 100px; width: 100px; }

JavaScript

$('.thumbnail').on('click', function(){
    var imgSrc = $(this).attr('src');
    $('#main-img').attr('src', imgSrc);
});