freecodecamp. javascript / basic data structures challenge #12: create multidimensional arrays. Published 4 years ago • 82 plays • Length 3:49 Download video MP4 Download video MP3 Similar videos 5:24:59 neo4j course for beginners 5:10:02 dynamic programming - learn to solve algorithmic problems & coding challenges 8:03:17 data structures easy to advanced course - full tutorial from a google engineer 1:13 basic data structures: create complex multi-dimensional arrays