--- title: What's new in Javascript 21 - ES12 | daily.dev description: This year javascript is bringing 4 new features, which are almost in production rollout. I won't be wasting much more time and directly jump to code with easy... canonical: https://daily.dev/posts/what-s-new-in-javascript-21---es12-8izyjixoe twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: What's new in Javascript 21 - ES12 | daily.dev og:description: This year javascript is bringing 4 new features, which are almost in production rollout. I won't be wasting much more time and directly jump to code with easy... og:url: https://daily.dev/posts/what-s-new-in-javascript-21---es12-8izyjixoe og:image: https://api.daily.dev/og/posts/8IZyjIxoe.png og:image:alt: What's new in Javascript 21 - ES12 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. # What's new in Javascript 21 - ES12 **[Hashnode](https://daily.dev/sources/hashnode)** · 1 min read · 51 upvotes · 2 comments ## Summary This year javascript is bringing 4 new features, which are almost in production rollout. I won't be wasting much more time and directly jump to code with easy to understand examples. Use the latest node version, if you want to play around with these features. Once the compatible node version is available, simply create a new JS file, and let's get started. ## 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. **@gscarvalho** · 0 upvotes > It's very helpful! ## 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: [#general-programming](https://daily.dev/tags/general-programming), [#javascript](https://daily.dev/tags/javascript), [#logging](https://daily.dev/tags/logging) [View this post on daily.dev](https://daily.dev/posts/what-s-new-in-javascript-21---es12-8izyjixoe) ```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":"What's new in Javascript 21 - ES12","url":"https://daily.dev/posts/what-s-new-in-javascript-21---es12-8izyjixoe","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/what-s-new-in-javascript-21---es12-8izyjixoe"},"datePublished":"2021-02-14T18:48:06.548Z","dateModified":"2021-10-07T14:17:10.317Z","description":"This year javascript is bringing 4 new features, which are almost in production rollout. 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