Learn TypeScript: Functions
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Write functions in TypeScript to declare expected types of function parameters and return values.
About this course
Continue your TypeScript learning journey with Learn TypeScript: Functions. In addition to variable types, TypeScript allows you to declare the expected types of your function parameters and infer the types returned by those functions.
Skills you’ll gain
Apply type annotations to function parameters.
Understand how TypeScript determins the return type of a function.
Explicitly specify return types for functions.
Notes on prerequisites
We recommend that you complete Learn TypeScript: Fundamentals before starting this course.
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