JSFiddle - React, Tailwind, and code Playground
by j08691
HTML
<section>
<a href="#">test 1</a>
</section>
<section>
<a href="#">test 2</a>
</section>
<section>
<a href="#">test 3</a>
</section>
JavaScript
$('section a').on('click', function(e) {
alert( $.inArray(e.target, $('section a')) );
});