JSFiddle - React, Tailwind, and code Playground

HTML

<iframe src="http://jsfiddle.net" width="100" height="100"></iframe>

JavaScript

$(document).ready(function() { 
    var mouse = {x: 0, y: 0};
document.addEventListener('mousemove', function(e){ 
    mouse.x = e.clientX || e.pageX; 
    mouse.y = e.clientY || e.pageY 
}, false);
    $(window).blur( function(e){
        console.log("clicked on iframe")
      console.log('X: '+ mouse.x);
      console.log('Y: '+ mouse.y);
});
   $(document).on('mousedown', function(evt) {
      console.log('X: '+ evt.pageX);
      console.log('Y: '+ evt.pageY);
      //$.post('clickmap.php', {
          //x:evt.pageX,
          //y:evt.pageY        
       //});
   });
});