JSPM

Invoke a function for each element in a collection and update the collection in-place.

Invoke a function for each element in a collection and update the collection in-place, iterating from right to left.

Invoke a function n times and return an array of accumulated function return values.

Multi-dimensional array walker with observation

Invoke a function n times and return an array of accumulated function return values.

Invoke a function for each element in a collection and update the collection in-place.

Invoke a function for each element in a collection and update the collection in-place, iterating from right to left.

Perform a single-pass map-reduce operation against each element in an array and return the accumulated result.

Perform a single-pass map-reduce operation against each element in an array while iterating from right to left and return the accumulated result.