JSFiddle - React, Tailwind, and code Playground

https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js

by crazzzy

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="coords"></div>
<div class="zoomer"></div>

CSS

.zoomer{
    width: 300px;
    height: 300px;
    margin: 100px;
    background:#ddd;
}

JavaScript

$('.zoomer').mousemove(function(e){
  var x = e.pageX;
  var y = e.pageY;
  $('#coords').text(x + '/' + y);
});