TypeScript Tutorial #10 - Null vs Undefined

In this video, you will learn the difference between null and undefined in TypeScript. We will also understand strict null checks, type safety, and real-world use cases. This is one of the most confusing but important concepts for beginners. ==Topics covered in this video== -- What is null in TypeScript -- What is undefined in TypeScript -- Key differences between null and undefined -- When to use null vs undefined -- Type safety and strict null checks -- Common mistakes and best practices ==INTERVIEW QUESTIONS== -- What is null in TypeScript? -- What is undefined in TypeScript? -- Difference between null and undefined? -- What are strict null checks? -- When should we use null? -- Common mistakes with null and undefined? 📢 *Resources:* 👉 *TypeScript Documentation* - https://www.typescriptlang.org/ 👉 *GitHub Code Link* - https://github.com/mohitdjcet/TypeScript-Tutorial 📂 *Playlist Links:* - DSA Full Tutorial: https://www.youtube.com/playlist?list=PLsjpRo2EZP1LKQePmuWv8jppLddppmGkn - Angular 21 Full Course : https://youtu.be/S2yJRqtnM7Y - React 19 Full Course : https://youtu.be/cHIn7PUAxlg - NextJS Full Course : https://youtu.be/yKuBE7TJm7M - NodeJS Full Course: https://youtu.be/pdk60AyhMNM - JavaScript Full Course: https://youtu.be/moRFcW7xayc - GitHub Copilot Full Course:https://youtu.be/hebwERejgI4 - HTML Crash Course : https://youtu.be/Zb_-6SttO3M - CSS Crash Course : https://youtu.be/b7PlBCjAJco 🔗 *Follow Me for Updates:* - TopMate:[Connect with Me](https://topmate.io/mohitdecodes) - WhatsApp:[Connect with Me](https://whatsapp.com/channel/0029Vb6CABUIHphQqGRYP71u) - Instagram: [Connect with Me](https://www.instagram.com/mohitdecodes/) - Facebook: [Connect with Me](https://www.facebook.com/mohitdecode/) - LinkedIn: [Connect with Me](https://www.linkedin.com/in/mohitdecodes/) - GitHub: [Explore My Projects](https://github.com/mohitdjcet/) null vs undefined in typescript strict null checks typescript null explained undefined explained typescript tutorial beginners typescript type safety javascript null vs undefined learn typescript step by step #TypeScript #JavaScript #Programming #Coding #WebDevelopment #LearnTypeScript #FrontendDevelopment #Developers #NodeJS #mohitdecodes --- Copyright Notice: © Mohit Decodes. All rights reserved. Unauthorized reproduction or distribution of this content is prohibited. For permissions, contact via LinkedIn or email.