JSFiddle - React, Tailwind, and code Playground

HTML

<body>   
    <h1 id="var1">
        0
    </h1>
    <h1 id="var2">
        0
    </h1>
    
</body>

JavaScript

jQuery(document).ready(function() {

    var readOut1;
    var readOut2;

    $(document).mousemove(function(e) {
        readOut1 = e.pageX;
        readOut2 = e.pageY;
        $('#var1').html(readOut1);
        $('#var2').html(readOut2);
    });
})