Flatten Object in JavaScript | Interview Question Explained
🔥 JavaScript Interview Question | Flatten Object
In this video, we solve a very popular JavaScript interview question 👇
👉 Flatten a deeply nested object (including arrays) into a single-level object
We use recursion to break down nested structures and convert them into a flat key-value format.
💡 Topics covered:
Recursion in JavaScript
Handling nested objects & arrays
Building dynamic keys
Real interview approach
📌 Example:
Input: { A: { B: { C: ["value0", "value1"] } } }
Output: { "A.B.C.0": "value0", "A.B.C.1": "value1" }
This question is commonly asked in frontend interviews at companies like Amazon, Flipkart, etc.
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