Type Assertions
Tell TypeScript you know more about a type than it can infer:
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LearnStep 1 of 2
Type Assertions
Learning Objectives
- •Use as syntax
- •Understand when to assert
- •Avoid assertion pitfalls
Lesson Outline
LearnStep 1/2
Type Assertions
typescript
When to Use Assertions
- DOM elements with specific types
- API responses you know the shape of
- Narrowing union types when you're certain
⚠️ Caution
typescript