JSFiddle - React, Tailwind, and code Playground

HTML

<p><button>change image source</button></p>

<img src="http://www.youthareawesome.com/wp-content/uploads/2015/03/fruit.jpg">

CSS

img {
    display: block;
    max-width: 100%;
}

JavaScript

var newSrc = 'http://eusoils.jrc.ec.europa.eu/esdb_archive/eudasm/africa/images/maps/download/afr_pgrwma.jpg';

$('button').click(function(){
	$('img').attr('src',newSrc);
});