JSFiddle - React, Tailwind, and code Playground

by huppen

HTML

<div id="Msg">
Countdown für <span>5</span> Sekunden.
</div>

JavaScript

//Countdown Script
var sec = 4
var timer = setInterval(function() {
    $('#Msg span').animate({
        opacity: 0.25,
        fontSize: '1em'
    }, 50, function() {
        $('#Msg span').css('opacity', 1);
        $('#Msg span').text(sec--);
    })
    if (sec === 0) {
        clearInterval(timer);
    }

}, 950);

setTimeout(function(){
  $('#Msg').append("<p>ACTION</p>");
}, 5000);