Скачать или смотреть How to Flatten Nested Arrays Using Recursion in JavaScript | Interview Question

Learn how to flatten nested arrays in JavaScript using a simple and clean recursive function — without using .flat()!

In this video, we break down how to handle nested arrays like [1, [2, 3], 4] and turn them into a single flat array like [1, 2, 3, 4] using recursion, Array.isArray(), .forEach(), and the spread operator (...).

Whether you're a beginner learning recursion or a developer brushing up on core JavaScript concepts, this tutorial is for you!

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