JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.0/jquery.min.js"></script>
<img id="image1" src="http://www.w3schools.com/tags/smiley.gif" />
<img id="image2" src="" />

JavaScript

$('img').click(function () {
  var image_src = ($(this).attr('src') === "") ? null : $(this).attr('src');
    console.log(image_src);
})