Learn TypeScript - Full Course for Beginners

A comprehensive, hands-on introduction to TypeScript basics, custom types, unions, and defensive coding.

This course is a hands-on introduction to TypeScript. You'll learn how TypeScript can make your life easier and your code less error-prone. ✏️ Study this course interactively on Scrimba: v2.scrimba.com/learn-typescript-c03c?utm_source=youtube&utm_… Code is available on the Scrimba course page for each lesson. Scrimba on YouTube: youtube.com/c/Scrimba ⭐️ Course Contents ⭐️ 0:00:00 Introduction 0:06:39 Intro to Pizza app 0:16:49 Move code to TS 0:19:58 Defensive coding 0:24:36 Obligatory types basics lesson 0:28:29 Add type to orderId 0:29:55 Defining Custom Types 0:33:44 Adding a Pizza type 0:38:00 Nested object types 0:43:15 Optional properties 0:45:58 Adding an Order type 0:47:20 Typing arrays 0:52:00 Type orderQueue 0:56:13 Literal types 0:58:57 Unions 1:01:57 Update order status to use literal type unions 1:04:59 Add ids to pizzas 1:07:41 Type Narrowing 1:12:39 Be explicit whenever you can 1:14:54 Function return types 1:17:53 TS-specific types: any 1:20:48 Add return type to getPizzaDetail 1:24:11 Void return type 1:26:09 Add automatic ids to menu items 1:30:31 Utility Types & Partial 1:37:39 Omit Utility Type 1:44:42 Fix TS warnings with Omit 1:48:53 Generics 1:56:17 Generic functions in the pizza restaurant 1:59:43 Explicitly type generic function calls 2:04:08 Conclusion... for now 🎉 Thanks to our Champion and Sponsor supporters: 👾 davthecoder 👾 jedi-or-sith 👾 南宮千影 👾 Agustín Kussrow 👾 Nattira Maneerat 👾 Heather Wcislo 👾 Serhiy Kalinets 👾 Justin Hual 👾 Otis Morgan 👾 Oscar Rahnama -- Learn to code for free and get a developer job: freecodecamp.org Read hundreds of articles on programming: freecodecamp.org/news ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: scrimba.com/freecodecamp