typescript
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TypeScript just became the #1 programming language on GitHub, but most developers are still making these critical mistakes that defeat the entire purpose of type safety.
In this video, I break down 7 patterns that silently turn off TypeScript's ability to catch bugs. You write TypeScript, but you get JavaScript-level safety. Each pattern includes live code demos in the TypeScript Playground showing exactly what goes wrong and how to fix it.
⏱️ TIMESTAMPS
0:00 - Introduction
0:43 - Mistake #1: Using 'any' Everywhere
1:41 - Mistake #2: Type Assertions Over Guards
2:37 - Mistake #3: Ignoring Null Checks
4:21 - Mistake #4: Wrong Generic Constraints
6:05 - Mistake #5: Enum Pitfalls
7:54 - Mistake #6: Interface vs Type Confusion
9:35 - Mistake #7: Not Using Strict Mode
11:35 - Recap: Complete Checklist
📋 TH
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2025/12/20
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