JSFiddle - React, Tailwind, and code Playground

HTML

<div id="userMessage"></div>

JavaScript

setInterval(readUserMessage, 200);

function readUserMessage() {
    var message = Math.random();
    if ($('#userMessage').is(':visible')) {
        $('#userMessage').fadeOut(200, function() {
            $(this).html("<span style=\"\">" + message + "</span>").fadeIn(300).delay(3000).fadeOut(300);
        });
    } else {
        $('#userMessage').html("<span style=\"\">" + message + "</span>").fadeIn(300).delay(3000).fadeOut(300);
    }
}