Full Stack Developers Wes Bos and Scott Tolinski dive deep into web development topics, explaining how they work and talking about their own experiences. They cover from JavaScript frameworks like React, to the latest advancements in CSS to simplifying web tooling.
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TypeScript Fundamentals × Narrowing, Discriminating Unions, and Type Guards
In this Hasty Treat, Scott and Wes talk about TypeScript Fundamentals, including narrowing, discriminating unions, and type guards.
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Show Notes- 00:24 Welcome
- 01:35 Sponsor: Sentry
- 02:23 Sponsor: Payments Hub
- 05:21 Intro to TypeScript fundamentals
- 06:28 What is Type Narrowing?
- 09:32 typeof
- 11:58 instanceof
- 13:29 Custom typeguards
- 16:12 this is
- 17:59 discriminated unions
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