JSFiddle - React, Tailwind, and code Playground

HTML

<div id="thumb-inner">Titelneu </div>

CSS

#thumb-inner{
  position : absolute;
  color : blue;
  padding : 10px;
}

JavaScript

var mouseX = 0, mouseY = 0;
$(document).mousemove(function(e){
   mouseX = e.pageX;
   mouseY = e.pageY; 
});

// cache the selector
var thumbinner = $("#thumb-inner");
var xp = 0, yp = 0;
var loop = setInterval(function(){
    // change 12 to alter damping higher is slower
    xp += (mouseX - xp) / 1;
    yp += (mouseY - yp) / 1;
    thumbinner.css({left:xp+5, top:yp+5});
    
}, 30);