momentjs relative time

현재 시간 기준으로 특정 시간대 시간과의 차이 구하기 
- 몇 (분/시간/일/월/년)전 표기 

한글로 표기시 한글팩 추가 혹은 lang 재정의 

Manipulating Dates

var end =  moment().subtract('minutes', 40).format();
var time = moment().format(); 

Relative Time

var result = moment(end).diff(moment(time));
var read = moment.duration(result).humanize(true);

Time from NOW
45초,45분 기준으로 분,시간단위로 변경 


Range	                  |Key  | 	Sample Output
========================================================
0 to 45 seconds	          |s	 | a few seconds ago
---------------------------------------------------------
45 to 90 seconds	      | m	 | a minute ago
--------------------------------------------------------------
90 seconds to 45 minutes  |	mm	 | 2 minutes ago ... 45 minutes ago
---------------------------------------------------------------------------
45 to 90 minutes	      | h	 | an hour ago
---------------------------------------------------------------------------
90 minutes to 22 hours 	  | hh	 | 2 hours ago ... 22 hours ago
---------------------------------------------------------------------------
22 to 36 hours	          | d	 | a day ago
---------------------------------------------------------------------------
36 hours to 25 days	      | dd   | 2 days ago ... 25 days ago
---------------------------------------------------------------------------
25 to 45 days	          | M	 | a month ago
---------------------------------------------------------------------------
45 to 345 days	          | MM   | 2 months ago ... 11 months ago
---------------------------------------------------------------------------
345 to 545 days (1.5 years)	|y	 | a year ago
---------------------------------------------------------------------------
546 days+	              |yy	 | 2 years ago ... 20 years ago
---------------------------------------------------------------------------


https://jsfiddle.net/7mhk6q57/4/