Discuss the differences between Type Assertions vs. Type Casting in TypeScript.
Instruction: Provide definitions and examples to highlight the differences between Type Assertions and Type Casting.
Context: This question aims to clarify the candidate's understanding of Type Assertions and Type Casting, including when and how to use each.
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A TypeScript assertion tells the compiler to treat a value as a compatible type. It is erased and performs no conversion, validation or checked cast at runtime. The term casting is sometimes used loosely for an assertion, so I would clarify whether the caller means a static assertion or an actual JavaScript conversion.
```typescript const raw: unknown = "123"; const...