--- title: The JavaScript Cheatsheet you need in 2020 | daily.dev description: The JavaScript Cheatsheet you need in 2021. Stefania Simon answers your questions about the language. She also explains the difference between an arrow... canonical: https://daily.dev/posts/the-javascript-cheatsheet-you-need-in-2020-4x-iwz13x twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The JavaScript Cheatsheet you need in 2020 | daily.dev og:description: The JavaScript Cheatsheet you need in 2021. Stefania Simon answers your questions about the language. She also explains the difference between an arrow... og:url: https://daily.dev/posts/the-javascript-cheatsheet-you-need-in-2020-4x-iwz13x og:image: https://api.daily.dev/og/posts/4X-iWZ13X.png og:image:alt: The JavaScript Cheatsheet you need in 2020 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. # The JavaScript Cheatsheet you need in 2020 **[JSK](https://daily.dev/sources/jsk)** · 7 min read · 110 upvotes · 5 comments ## Summary The JavaScript Cheatsheet you need in 2021. Stefania Simon answers your questions about the language. She also explains the difference between an arrow function and a regular function. Use these questions and concepts to help you understand the language and its features. Back to Mail Online home. back to the page you came from. ## 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. **@emmorais** · 7 upvotes > This is what I call a great cheat sheet 🤩 If you wanna see more about this, click the link below and look at this awesome repository: > https://github.com/mbeaudru/modern-js-cheatsheet **@anazari\_me** · 3 upvotes > I think this article is useful for beginner to advanced developers who use JS. > > Prefect :+1: **@steniowagner** · 2 upvotes > A must read for all of those that want to have a deep understanding about JS, especially for those that will have techical interviews about JS! **@fstrazzante** · 1 upvotes > This article is super useful! --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/the-javascript-cheatsheet-you-need-in-2020-4x-iwz13x) ```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":"The JavaScript Cheatsheet you need in 2020","url":"https://daily.dev/posts/the-javascript-cheatsheet-you-need-in-2020-4x-iwz13x","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/the-javascript-cheatsheet-you-need-in-2020-4x-iwz13x"},"datePublished":"2020-10-28T14:22:03.219Z","dateModified":"2021-10-07T14:17:10.317Z","description":"The JavaScript Cheatsheet you need in 2021. 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