Functions and Callable Types

Parameter Types

Return Types

Function Signatures

Required Parameters

Optional Parameters

Default Parameters

Rest Parameters

Overload Signatures

Implementation Signature

Overload Resolution

Best Practices

Function Type Expressions

Call Signatures

Construct Signatures

Method Signatures

Explicit this Types

Arrow Functions and this

this in Callbacks

Method Binding

Type Parameters

Generic Constraints

Multiple Type Parameters

Generic Function Inference