JSFiddle - React, Tailwind, and code Playground

HTML

<div id="foo"></div>

CSS

#foo {
    width: 200px;
    height: 200px;
    background-color: #C00;
    position: absolute;
    top: 50px;
    left: 50px;
}

JavaScript

$('#foo').click(function (e){
    console.log(e.offsetX, e.offsetY);
});