How can I use an AngularJS filter to format a number to have leading zeros?

Question

I checked the documentation. What I would like is for my numbers to have four digits and leading zeros.

22 to 0022
1  to 0001

Can someone

Answer 1

Example code:

{{ (value > 9 ? (value > 99 ? (value > 999 ? value : '0'+value) : '00'+value) : '000'+value) }}