Recursive Flatten

HardFunctionsPRO

Practice recursive JavaScript functions by flattening nested arrays into one list. This restored legacy exercise focuses on same-shaped subproblems, preserving order, and returning values from recursive calls.

What you'll practice

Work with recursive JavaScript functions by flattening nested arrays into one list
This restored legacy exercise focuses on same-shaped subproblems
Preserving order
Returning values from recursive calls

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