Nullish Coalescing Operator (??) Explained | JavaScript & TypeScript Interview Must-Know | Hindi

Описание: Are you using || for default values in JavaScript or TypeScript?
Then you might be handling 0, false, or empty strings the wrong way.

In this video, you’ll learn the Nullish Coalescing Operator (??) — a modern and clean way to handle null and undefined correctly in JavaScript and TypeScript.

✅ What you’ll learn:

What is the Nullish Coalescing Operator (??)

Real-world JavaScript examples

Common interview questions and traps

When and why ?? is the correct choice

This topic is frequently asked in frontend & React / React Native interviews, especially for mid to senior-level roles.

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