JSFiddle - React, Tailwind, and code Playground
by JohnnyJuarez
HTML
<a href="#" id="banner">
<img src="http://placekitten.com/g/200/300" alt="kitten" />
</a>
JavaScript
var banner = document.getElementById('banner');
var imgElement = banner.getElementsByTagName('img');
var imgSrc = imgElement.getAttribute('src');
alert(imgSrc);