カウントダウンタイマー

gistfile1.js

$(function() {
  countDown();
});
 
function countDown() {
  var startTime = new Date(),
      endTime = new Date('March 9,2014, 00:00:00'),
      diff  = endTime - startTime,
      times = 24 * 60 * 60 * 1000,
      day   = Math.floor(diff / times),
      hour  = Math.floor(diff % times / (60 * 60 * 1000)),
      min   = Math.floor(diff % times / (60 * 1000)) % 60,
      sec   = Math.floor(diff % times / 1000) % 60 % 60;
//    var ms    = Math.floor(diff % times / 10) % 100
  if (diff > 0) {
      $('#h').text(day + '日' + hour + '時間' + min + '分' + sec +'秒');
      setTimeout('countDown()', 1000);
  } else {
      // 処理
  }
}