JSのユーティリティメソッド - 秒期間の数を変更

function translateSecondToWhen(second) {
	var releaseTimeMsg;
	var releaseHours = parseInt((Date.parse(new Date()) - second) / 1000 / 60 / 60);
	if (releaseHours === 0) {
		releaseTimeMsg = '刚刚';
	} else if (releaseHours < 24) {
		releaseTimeMsg = releaseHours + '小时前';
	} else if (releaseHours < 24 * 15) {
		releaseTimeMsg = Math.floor(releaseHours / 24) + '天前';
	} else {
		releaseTimeMsg = app.format.when(second);
	}
	return releaseTimeMsg;
}