title: in MomentJs, how do get quarter of the week in a month
body: <p>There is 4 or 5 weeks in a month. Using MomentJs, you can easily tell the number of <a href="http://momentjs.com/docs/#/get-set/quarter/" rel="nofollow">quarter</a> </p>
  
  <p>How do I come up with number like 1, 2, 3, 4 using MomentJs</p>