JSFiddle - React, Tailwind, and code Playground

HTML

<div id="special">
</div>

CSS

#special
{
    width: 400px;
    height: 400px;
    background-color: Gray;
}

JavaScript

$("#special").mousemove(function(e){
    var x = e.pageX - this.offsetLeft;
    var y = e.pageY - this.offsetTop;
      $('#special').html(x +', '+ y);
   });