Datetime calculate library in javascript -

Datetime calculate library in javascript -

i have lot of info retrived server next format:

{id:1,name:"xx",type:1,updated:'2014-01-01 12:21'}, {id:1,name:"xx",type:2,updated:'2014-01-01 12:21'}, {id:1,name:"xx",type:3,updated:'2014-01-01 12:21'}, .................................

now have create statistics:

1 month

calculate months belongs year , range(start , end) of each month.

calculate how many items different type each month in current year.

2 week

calculate days belongs week , range(start , end) of each day.

calculate how many items different type every day in current week.

3 hour

calculate hours(24) belongs today , range(start , end) of each hour.

calculate how many items different type each hour;

i wonder if there date-time library create calculate work easier?

there various libs can this, recommend moment.js.

javascript datetime