Odpočet do zmizení

by Petr Haluza

HTML

<div class="flash">ahoj</div>

CSS

.flash {
    background-color: red;
    color: white
}

JavaScript

window.onload = Show_Countdown;
var counter = 4;
function Show_Countdown() {
$('.flash').append('<span id="time"></span>');
    var timer = setInterval(function () {
        document.getElementById("time").innerHTML = counter;
        counter = (counter - 1);
        if (counter < 0) 
        {
            clearInterval(timer);
            $('.flash').hide();
        }
    }, 1000);
}