Enums vs Literal Union Types

Combining Literal Types with Unions

Boolean Literal Types

How Enums Compile to JavaScript

const Enums for Performance

Reverse Mapping in Numeric Enums

Accessing Enum Members by Name and Value

Numeric Enum Values in TypeScript

What Enums Are and Why Use Them

Numeric Literal Type

Numeric Enum Initialization

String Enum Requires Initializers

Accessing Enum Members

Enum As Type Annotation

const enum Reverse Mapping

Boolean Literal Type

Value Outside Literal Union

let vs const Literal Widening

Literal Type Widening

Auto-incrementing Enum Values

Explicit Numeric Enum Values

String Enum Declaration

Accessing Enum Members

Enum as a Type Annotation

Reverse Mapping in Numeric Enums

const Enums

Enum Runtime Object Behavior

Numeric Literal Types

Boolean Literal Types

Literal Types in Union

Enum vs Union of Literals

Literal Type Widening

Heterogeneous Enums

String Enums

const Assertions (as const)

Numeric Literal Types

Accessing Enum Members

const Enums

How Enums Compile to JavaScript

Boolean Literal Types

Custom Numeric Enum Initializers

Auto-incrementing Enum Values

Reverse Mapping in Numeric Enums

Enums vs Union of Literal Types

Combining Literal Types with Unions

Enum as a Type Annotation