JavaScript Programming Language

5.

5.1.

Defining Functions

5.1.1.

Function Declarations

5.1.2.

Function Expressions

5.1.3.

Anonymous Functions

5.1.4.

Arrow Functions

5.2.

Calling Functions

5.2.1.

Function Invocation

5.2.2.

Arguments Object

5.3.

Parameters and Arguments

5.3.1.

Default Parameters

5.3.2.

Rest Parameters

5.3.3.

Spread Syntax in Function Calls

5.4.

5.4.1.

Returning Values

5.4.2.

Returning Objects

5.5.

Scope and the Scope Chain

5.5.1.

5.5.2.

5.5.3.

5.5.4.

5.6.

5.6.1.

Definition and Mechanics

5.6.2.

5.6.3.

Common Patterns

5.7.

Immediately Invoked Function Expressions

5.7.1.

5.7.2.

Purpose and Benefits

5.8.

Higher-Order Functions

5.8.1.

Functions as Arguments

5.8.2.

Functions as Return Values

5.8.3.

5.8.4.

5.8.5.

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6. Data Structures