3 Typescript interview QA (2025 Edition) | 2025-09-20 06:09 PM

📘 Neulax - Typescript Interview Prep
This video contains 3 Typescript interview questions with answers.

📝 Questions & Answers:

Q1: What is difference between interface and abstract class?
A1: Interfaces define contracts only, abstract classes can have implementation. Example: Interface is a rulebook, abstract class is a partial training manual.

Q2: What are interfaces in TypeScript?
A2: Interfaces define the shape of an object. Example: Like a contract stating what rules an employee must follow.

Q3: What is 'unknown' type in TypeScript?
A3: 'unknown' is safer than 'any' because you must check its type before using it. Example: Like a mystery box you must open carefully.

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Видео 3 Typescript interview QA (2025 Edition) | 2025-09-20 06:09 PM канала Neulax