JSFiddle - React, Tailwind, and code Playground
HTML
<a href="#" onclick="alert('original onclick')">Click me</a>
<div>
Some div content...
</div>
JavaScript
$('a').click(function() {
$('div').toggle();
});
<a href="#" onclick="alert('original onclick')">Click me</a>
<div>
Some div content...
</div>
$('a').click(function() {
$('div').toggle();
});