JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://code.jquery.com/jquery-3.2.1.js"></script>
<a href="#" class="aclick">
<img data-link="petroliumjelly.php" src="productsimgs/petroliumjelly.png" class="img-responsive" id="2">
</a>
JavaScript
$(".aclick").click(function (e) {
e.preventDefault();
alert($(this).find('img').attr('data-link'));
var link = $(this).find('img').attr('data-link')
console.log(link);
});