JSFiddle - React, Tailwind, and code Playground
by kritya
CSS
div.check {
border-style:solid;
border-width:1px;
width:500px;
height:500px;
}
.k {
height:10px;
width:10px;
background:red;
}
JavaScript
var div = $('<div/>').css({'position':'absolute','width':10,'height':10,'background':'red'});
$('html').mousemove(function(e){
div.clone().css({'left':e.clientX,'top':e.clientY}).appendTo('body');
});