What are some common mistakes with TypeScript type assertions?
An example of an AI chatbot conversation about TypeScript type assertions and common mistakes.
What are some common mistakes with TypeScript type assertions?
Common mistakes include using type assertions incorrectly, assuming type safety, and not checking types before asserting.
Can you give an example of an incorrect type assertion?
Sure! For instance, asserting a string as a number without proper conversion can lead to runtime errors.
How can I avoid these mistakes?
To avoid mistakes, always validate types before asserting and prefer using type guards when possible.
What are type guards in TypeScript?
Type guards are functions or expressions that check the type of a variable at runtime, helping ensure type safety.
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