TypeScript Tutorial for Beginners - Zero to Interview Success

Published: 17 February 2026
on channel: Interview Happy

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Full Course Details:

🚀 TypeScript Mastery: Basics to Advanced + Interview Prep 2026

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⏱️ Chapters / Timestamps
00:00 Intro
01:19 What is TypeScript? How is it different from JavaScript?
08:36 How TypeScript is a Strongly Typed language and supports Static Typing?
17:49 What software's are required to run TypeScript programs?
22:33 How to write and run your first TypeScript program?
31:06 How can you run a TypeScript program in VS Code with a Single Click?
36:37 What are Variables? What is the difference between var, let, and const?
44:32 What is Type Annotation? How to add type annotations to a function in TS?
48:09 What is Type Inference?
52:12 What are Tuples in TS?
55:18 What is for…of loop? What is the difference between for and for…of?
01:00:10 What is forEach method? Explain with example.
01:05:21 What is an Object in TypeScript? Why we need objects in real applications?
01:12:18 How to define Object Types in TS? How Inline object type is better than simple object?
01:18:37 What is a Type Alias in TS? How type alias is better than Inline object type?
01:25:07 What is an Interface in TS?
01:28:53 When to use Type Alias and when to use Interface in real applications?

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