javascript倒计时效果

function showTime(count) {
    document.getElementById('showtimes').innerHTML = count;
    consol.log(count);
    if (count == 0) {
        // do job
        consol.log('complete');
    } else {
        count -= 1;
        setTimeout(function () {
            showTime(count);
        }, 1000);
    }

}