Jquery replace text every 2 seconds with words from an array

$(function () {
  count = 0;
  wordsArray = ["Beta", "Gamma", "Delta", "Alpha"];
  setInterval(function () {
    count++;
    $("#word").fadeOut(400, function () {
      $(this).text(wordsArray[count % wordsArray.length]).fadeIn(400);
    });
  }, 2000);
});

<div id="word">Alpha</div>