Optional Parameter Ordering

Function Type Expression Syntax

Rest Parameters Type Annotation

Contextual Typing of Callback Parameters

Inferred Return Type From Function Body

Function Assigned to a Typed Variable

Passing Wrong Argument Type

Too Many or Too Few Arguments

Typing Arrow Functions

Named Function Declaration Types

Anonymous Function Contextual Typing

Typing Callback Parameters

void Return Type

Rest Parameters Typing

Function Expression Type Annotations

Return Type Inference

Arrow Function Type Annotations

Function Declaration Syntax

Typing a Variable as a Function

Contextual Typing of Parameters

Arrow Function Syntax

Rest Parameters

Function Expression Syntax

Callback Function Types

Return Type Inference