--- title: Top 30 React Interview Questions and Concepts | daily.dev description: The freeCodeCamp.org course teaches you about 30 common React interview questions and concepts. Nishant Singh developed this course to help you prepare for a... canonical: https://daily.dev/posts/top-30-react-interview-questions-and-concepts-i5ejdm-y twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Top 30 React Interview Questions and Concepts | daily.dev og:description: The freeCodeCamp.org course teaches you about 30 common React interview questions and concepts. Nishant Singh developed this course to help you prepare for a... og:url: https://daily.dev/posts/top-30-react-interview-questions-and-concepts-i5ejdm-y og:image: https://api.daily.dev/og/posts/I5EJDM-y_.png og:image:alt: Top 30 React Interview Questions and Concepts 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. # Top 30 React Interview Questions and Concepts **[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 1 min read · 274 upvotes · 3 comments ## Summary The freeCodeCamp.org course teaches you about 30 common React interview questions and concepts. Nishant Singh developed this course to help you prepare for a React interview. ## 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. **@devvsakib** · 2 upvotes > great **@kishan21** · 0 upvotes > I just Start Learning React Js **@mafijul12** · 0 upvotes > What is the extension name that you used? ## 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: [#react](https://daily.dev/tags/react), [#webdev](https://daily.dev/tags/webdev), [#course](https://daily.dev/tags/course), [#rest-api](https://daily.dev/tags/rest-api) [View this post on daily.dev](https://daily.dev/posts/top-30-react-interview-questions-and-concepts-i5ejdm-y) ```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":"Top 30 React Interview Questions and Concepts","url":"https://daily.dev/posts/top-30-react-interview-questions-and-concepts-i5ejdm-y","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/top-30-react-interview-questions-and-concepts-i5ejdm-y"},"datePublished":"2022-09-12T18:45:05.195Z","dateModified":"2022-09-12T18:45:05.127Z","description":"The freeCodeCamp.org course teaches you about 30 common React interview questions and concepts. 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