JSFiddle - React, Tailwind, and code Playground

HTML

<div id="image">image</div>
coordinates :
<div id="coordinates">0</div>

CSS

#image{ height:350px; background:#c00;}

JavaScript

$(function(){
    $(document).mousemove(function(e){
        $('#coordinates').html('x: ' + e.pageX + ' y : ' + e.pageY);
    });
})