JSFiddle - React, Tailwind, and code Playground
HTML
<div id = "mydiv">
<img src = "http://upload.wikimedia.org/wikipedia/commons/d/db/BradPittBAR08.jpg"/>
<input type="file" name="blah">
</div>
JavaScript
var $newsrc = "http://upload.wikimedia.org/wikipedia/commons/c/c7/Brad_Pitt_Inglorious_Basterds_Berlin_premiere.jpg"
function changeImage()
{
<img src="name">
}