--- title: "Closures in JavaScript: A Beginner-Friendly Guide" url: https://daily.dev/posts/closures-in-javascript-a-beginner-friendly-guide-eyw879apn source_url: https://javascript.plainenglish.io/closure-in-javascript-3f291eeb8dff type: article source: "JavaScript in Plain English" published: 2021-08-09T05:27:25.837Z updated: 2021-10-07T14:17:10.317Z tags: ["javascript"] reading_time: 3 upvotes: 10 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Closures in JavaScript: A Beginner-Friendly Guide **[JavaScript in Plain English](https://daily.dev/sources/jsPlainEnglish)** · 3 min read · 10 upvotes · 0 comments ## Summary A closure is a function that captures variables from its outer scope. Lexical scoping means that the accessibility of variables is determined by the position of the variables inside the nested scopes. In practice, closures may create elegant designs, allowing customization of… stackoverflow.com. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/closures-in-javascript-a-beginner-friendly-guide-eyw879apn)