--- title: Upcoming Interesting JavaScript ES2021 (ES12) Features... description: The ES2021 (ES12) will be released in the middle of 2021. In this tutorial, you will learn about the five most interesting features from this specification.... canonical: https://daily.dev/posts/upcoming-interesting-javascript-es2021-es12-features-to-look-for-licqmfdau twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Upcoming Interesting JavaScript ES2021 (ES12) Features to Look for | daily.dev og:description: The ES2021 (ES12) will be released in the middle of 2021. In this tutorial, you will learn about the five most interesting features from this specification.... og:url: https://daily.dev/posts/upcoming-interesting-javascript-es2021-es12-features-to-look-for-licqmfdau og:image: https://api.daily.dev/og/posts/LiCQMFdau.png og:image:alt: Upcoming Interesting JavaScript ES2021 (ES12) Features to Look for 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. # Upcoming Interesting JavaScript ES2021 (ES12) Features to Look for **[Hashnode](https://daily.dev/sources/hashnode)** · [@alimammiya](https://daily.dev/alimammiya) · 8 min read · 33 upvotes · 4 comments ## Summary The ES2021 (ES12) will be released in the middle of 2021. In this tutorial, you will learn about the five most interesting features from this specification. They are String.prototype.replaceAll() , numeric separators, logical assignment operators, Promise.any() , WeakRef and Finalizers. ## 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. **@emammiya** · 2 upvotes > Awsome article sir **@nicolasdha** · 1 upvotes > Great article. I've still got so much to learn --- Tags: [#javascript](https://daily.dev/tags/javascript), [#math](https://daily.dev/tags/math) [View this post on daily.dev](https://daily.dev/posts/upcoming-interesting-javascript-es2021-es12-features-to-look-for-licqmfdau) ```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":"Upcoming Interesting JavaScript ES2021 (ES12) Features to Look for","url":"https://daily.dev/posts/upcoming-interesting-javascript-es2021-es12-features-to-look-for-licqmfdau","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/upcoming-interesting-javascript-es2021-es12-features-to-look-for-licqmfdau"},"datePublished":"2021-03-21T03:41:00.207Z","dateModified":"2021-10-07T14:17:10.317Z","description":"The ES2021 (ES12) will be released in the middle of 2021. 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I’ve still got so much to learn","datePublished":"2021-03-21T05:56:40.162Z","url":"https://daily.dev/posts/LiCQMFdau#c-2xHdb_HEh","author":{"@type":"Person","name":"Nicolas","url":"https://daily.dev/nicolasdha","image":"https://avatars.githubusercontent.com/u/70779275?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```