interview question

gistfile1.md

Filter a for arrays that do not contain the number '3'

var a = [
   [1, 2, 3],
   [3, 2, 4],
   [1, 2, 1]
]

Filter a for arrays that do not contain a number '3' followed by a vowel,

var a = [
   ['1d', '2f', '3g'],
   ['3c', '2c', '4c'],
   ['1c', '2b', '1a']
]