Interestingly enough, as a front end dev this was one of the few questions I agree with (though I'd present it differently). I wind up doing a ton of array/col

Interestingly enough, as a front end dev this was one of the few questions I agree with (though I'd present it differently). I wind up doing a ton of array/collection manipulation in my daily work, and I'd want to make sure any new members of the team could at least speak the same language.