jashkenas/underscore — pull request #1927 by drabinowitz (2014-11-08 19:50:13+00:00)
Title: Added _.pluckWhere method and tests

`_.pluckWhere` is an alternate to `_.pluck` using a callback to determine whether to pluck a key and, if so, which key. Useful for plucking diagonally across an array of arrays or for filtering plucked values