JSFiddle - React, Tailwind, and code Playground
HTML
<div id="fullnews">
<img src="path_to_image.jpg" width="300" height="200" alt="Image" />
<a href="#link" id="fulllink">Fulllink</a>
</div>
JavaScript
jQuery(document).ready(function($){
$('#fullnews img').wrap("<a href="+ $('#fulllink').attr('href') +"></a>");
});