How to use format() on a moment.js duration?

Question

Is there any way I can use the moment.js format method on duration objects? I can\'t find it anywhere in the docs and it doesn\'t seen to be an attribute on du

Answer 1

I use:

var duration = moment.duration("09:30");
var str = moment(duration._data).format("HH:mm");

And I get "09:30" in var str.