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README.md

Unit 4 Lesson 2: Closures

Key Terms

Closure
First-class function
Lexical scope
Higher order functions
Nested functions

Essential Questions

What is a closure?
How do the concepts of lexical scope and first-class functions relate to closures in JavaScript?
How can we use closures to create private data?

Learning Assignments

Tutorial: JavaScript Closure
MDN Documentation: Closures
MDN Documentation: Memory Management on MDN
Article: Master the JavaScript Interview: What is a Closure?

Practice

Practice Set 4.2