JSFiddle - React, Tailwind, and code Playground
by AnthraxisBR
HTML
<script src="https://code.jquery.com/jquery-3.2.1.js"></script>
JavaScript
$(window).one("mousemove",function(event) {
var y = event.pageY;
if(parseInt(y) < parseInt(20)){
$(windows).off('mousemove');
console.log(y);
}
})