Usage of native map, filter, forEach, etc. if available (impressed by jQuery 1.8+ way)

[wolfflow]

Is it suitable to use the native map, filter, forEach, indexOf functions
in _.map, _.filter, _.each, _.contains
if browsers support these features?

[eskimoblood]

Native methodes are not always the fastes, take a look at this talk by John-David Dalton about lodash: http://www.youtube.com/watch?v=dpPy4f_SeEk

[raimohanska]

On my opinion, all performance related improvements should be verified using performance tests. Right now, there's a simple performance tests for running a somewhat complicated bacon.js setup in node.js (see #56 ). I guess we should be running perf tests in different browsers to see what the effect of this kind of changes would be to actual users.

[raimohanska]

Will close for now. If there's proof (perf test) for performance improvement gained by using natives, I'll merge your P.R.