You are tasked with developing a function to flatten a nested array structure. Which method would you use to flatten the arrays efficiently?

  • Recursive function
  • Array.prototype.flatMap()
  • Nested loops
  • Array.prototype.concat()
To efficiently flatten a nested array structure, you can use Array.prototype.flatMap(). It not only flattens the array but also allows you to transform its elements if needed. Using recursion is an option but can lead to stack overflow errors for deeply nested arrays.
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