JavaScript - Functions & Scope

Master reusable code and understand scope

Learning Objectives

Write reusable functions
Understand scope and closures
Use arrow functions
Create function factories
Master the this keyword

Topics Covered

1
Function Declaration and Expression
2
Arrow Functions (ES6)
3
Parameters vs Arguments
4
Default Parameters and Rest Parameters
5
Return Statement
6
Anonymous Functions and IIFE
7
Callback Functions and Higher-Order Functions
8
Recursion
9
Global, Function, and Block Scope
10
Lexical Scope and Closures
11
this Keyword
12
Function Methods (call, apply, bind)

Assignment

Text Analyzer Suite

Build a text analyzer with multiple functions: word count, character count, most frequent word, reverse text, and remove punctuation. Create a temperature converter suite and tip calculator with modular functions.

Resources

• Functions Deep Dive
• Closures Explained

View All Assignments

Previous Session Next Session