Functions and Scope

Functions are the building blocks of a program.

Function Declaration: Creating Commands

theory

Parameters and Default Values

theory

Returning a Value: The Return Statement

theory

Scope: Local and Outer Variables

theory

Function Expression: Functions as Values

theory

Arrow Functions

theory

Features of Arrow Functions

theory

Closures: Function Memory

theory

Recursion and the Call Stack

theory

NFE: Named Function Expressions

theory

The "new Function" Syntax

theory

Decorators: call and apply

theory

Functional Programming: Purity

theory