--- title: JavaScript (JS) Cheat Sheet Online | daily.dev description: Interactive JavaScript Cheat Sheet with code examples covering basics, loops, conditionals, variables, data types, strings, events, numbers, dates, arrays,... canonical: https://daily.dev/posts/javascript-js-cheat-sheet-online-acylgbtqe twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: JavaScript (JS) Cheat Sheet Online | daily.dev og:description: Interactive JavaScript Cheat Sheet with code examples covering basics, loops, conditionals, variables, data types, strings, events, numbers, dates, arrays,... og:url: https://daily.dev/posts/javascript-js-cheat-sheet-online-acylgbtqe og:image: https://api.daily.dev/og/posts/acyLGBtQe.png og:image:alt: JavaScript (JS) Cheat Sheet Online og:image:width: 1200 og:image:height: 630 og:locale: 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. # JavaScript (JS) Cheat Sheet Online **[Community Picks](https://daily.dev/sources/community)** · 2 min read · 1403 upvotes · 94 comments ## Summary Interactive JavaScript Cheat Sheet with code examples covering basics, loops, conditionals, variables, data types, strings, events, numbers, dates, arrays, global functions, regular expressions, errors, JSON, and promises. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@nibelune** · 5 upvotes > it looks old... most examples use var instead of const/let, nothin on functionals arrays methods (map, filter...), nothin about rest/spread or destructuration... it's my grandMa cheatsheet ! **@syedmuhammadmaaz** · 4 upvotes > Great Very Useful! **@sensei94** · 2 upvotes > my god,awesome for newbies like me **@mrneedful** · 1 upvotes > Really Helpful!! thanks a lot **@mindfultatiana** · 1 upvotes > This is awesome! Thank you 💗 ## 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 · 1 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: [#webdev](https://daily.dev/tags/webdev), [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/javascript-js-cheat-sheet-online-acylgbtqe) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"JavaScript (JS) Cheat Sheet 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lot","datePublished":"2024-03-31T11:14:37.340Z","url":"https://daily.dev/posts/acyLGBtQe#c-Tw2cczBdq","author":{"@type":"Person","name":"Einar Mjoksigland","url":"https://daily.dev/mrneedful","image":"https://lh3.googleusercontent.com/a/ACg8ocJjw-ViX4zeLqH7Sj5xlkNXrsueIqgTvN8vZTlmizGN90s=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"This is awesome! Thank you 💗","datePublished":"2024-03-29T18:01:47.115Z","url":"https://daily.dev/posts/acyLGBtQe#c-VFVdFxj2R","author":{"@type":"Person","name":"Tatiana","url":"https://daily.dev/mindfultatiana","image":"https://avatars.githubusercontent.com/u/13071148?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```