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Should you use type or interface in TypeScript? At first glance, they look almost identical. But under the hood, they have ...

Learn the correct way to extend union types in TypeScript by adding new options without type errors. --- This video is based on the ...

Learn how to type an object with dynamic string keys in TypeScript using Record, for better type safety in API responses.

Learn how to use TypeScript tagged unions to ensure function parameters and callbacks are correctly typed based on ...

What is the `let` keyword in TypeScript? In this 20-second TypeScript tutorial, learn: ✓ What `let` means ✓ How to declare a ...

A verified TypeScript 7.0.2 compiler experiment explains why a directly targeted object literal receives excess-property checking, ...

Kysely explained in 100 seconds. What it is, why it matters, and the one opinion nobody asked for. ⏱️ Chapters 0:00 The hook ...

Learn how to type React components that accept a flexible slot component and its props using TypeScript generics, with optional ...

If Vite or Rolldown already produces your JavaScript bundle, using TypeScript to emit another unused copy wastes CI time.

Seven short programming lessons from this week: 1. Java `List.remove(1)` can remove by index, while `remove(Integer.