JSFiddle - React, Tailwind, and code Playground

HTML

<input id="foo" />

<div>You stopped typing 1 second ago</div>

CSS

div {
    display: none;
}

JavaScript

var timer;
$('#foo').keypress(function() {
    clearTimeout(timer);
    timer = setTimeout(function() {
        $('div').fadeIn('fast').delay(1000).fadeOut('fast');
    }, 800);
});