Web Reference: This is a common JavaScript interview question. It tests one's knowledge about checking for the array type, looping through an array, various native methods such as Array.prototype.concat, and recursion. Write a function flattenObject that takes a deeply nested JavaScript object and returns a new object where nested keys are represented in dot notation. Input: Output: Flatten a nested object using dot notation (e.g., ` {a: {b: 1}}` → ` {'a.b': 1}`). 🔥 JavaScript Interview Question | Flatten ObjectIn this video, we solve a very popular JavaScript interview question 👇👉 Flatten a deeply nested object (in...
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