Go ProSign in

This Lesson is for Members

Subscribe today and get access to all lessons! Plus direct HD download for offline use, enhances transcripts, member comment forums, and iTunes "podcast" RSS feed. Level up your skills now!

Unlock This Lesson

Already subscribed? Sign In

Autoplay
Hide playlist

    Specify Exact Values with TypeScript’s Literal Types

    A literal type is a type that represents exactly one value, e.g. one specific string or number. You can combine literal types with union types to model a finite set of valid values for a variable. In this lesson, we explore the all kinds of literal types in TypeScript:

    • String literal types
    • Numeric literal types
    • Boolean literal types
    • Enum literal types

    You must be a Member to view code