text 페이드인,아웃 효과 (fade-in, fade-out)

<div class=" quotes">
    안녕하세요.
</div>

---

(function() {

var quotes = $(".quotes");
var quoteIndex = -1;

function showNextQuote() {
  ++quoteIndex;
  quotes.eq(quoteIndex % quotes.length)
    .fadeIn(1000)
    .delay(1000)
    .fadeOut(1000, showNextQuote);
}

showNextQuote();

})();