JSFiddle - React, Tailwind, and code Playground

HTML

<div style="position:absolute; left:0px;top:0px;" id="ex">Click Me!</div>

JavaScript

var div = document.getElementById('ex');

div.onmousedown = function(){
    document.onmousemove = function(e){
        div.style.left = e.pageX + "px";
        div.style.top = e.pageY + "px";
        div.innerText = '('+e.pageX +', '+e.pageY+')';
    }
    document.onmouseup = function(e){
        div.innerText = 'Click Me!';
        document.onmousemove = function(){};
    }
}