JSFiddle - React, Tailwind, and code Playground

HTML

<div class="myDiv">
</div>

CSS

.myDiv{
  position:absolute;
  left:100px;
  top:10px;
  height:100px;
  width:100px;
  background-color:red;
  border:1px solid red
}

JavaScript

$(function(){
  $(window).mousemove(function (e) {;
      $(".myDiv").css({ left: e.pageX,top:e.pageY });
  });
});

// JaphenChen