Learn TypeScript: Type Narrowing
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Gain insights into the runtime behavior of the TypeScript code by narrowing down union types.
About this course
Continue your TypeScript learning journey with Learn TypeScript: Type Narrowing. Leverage TypeScript’s type system to gain insights into the runtime behavior of your code by narrowing down what types unions may actually be.
Skills you’ll gain
Understand how TypeScript utilizes type narrowing at runtime.
Write type guards to check if a variable is a specific type.
Check if a property exists in an object using the in operator.
Notes on prerequisites
We recommend that you complete Learn TypeScript: Union Types before starting this course.
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