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Type Assertions and Type Casting - Typescript Tutorial for Beginners
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- 1 Intro
- 2 Welcome
- 3 Type Assertions vs Type Casting
- 4 What are Type Assertions?
- 5 Starter Code
- 6 Converting Types with Assertions
- 7 Angle Bracket Syntax instead of "as"
- 8 Narrowing Return Values with Assertions
- 9 Caution: Assertions allow mistakes!
- 10 Double Casting and the unknown type
- 11 DOM Selection Types
- 12 Non-Null Assertions
- 13 Angle Brackets and the DOM
- 14 Student Challenge
- 15 Solution 1: Beginners
- 16 Solution 2: Type Assertion
- 17 13:50 Syntax error: document.getElementById'img' is what is needed if the element has an id set to "img". This does not change the concept I'm discussing. Just tired eyes and a syntax error.
