num_pages: 270
description: Scope &amp; Closures the second book in the new edition series dives deep into how and why to organize variables into different buckets of scope limiting scope over-exposure and improving code maintainability. On top of lexical scope closure empowers functions with memory preserving variables across calls. Modules leverage scope and closures to encapsulate data and behavior.
language: English
title: You Don't Know JS Yet: Scope & Closures
publisher: None