Immutability with TypeScript's Const Assertions

Const assertions in TypeScript provide a powerful way to ensure immutability and narrow down types. By using the "as const" syntax, we can enforce immutability on the values of a reference type.
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Timeline:
0:00 Collective and Literal Types
0:40 Primitive Data Types
1:08 Complex Data Types
1:34 Const Assertions with Objects
2:10 Const Assertions in Arrays
2:46 Alternative Syntax
3:02 Const Assertions in JavaScript
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