--- title: React: What is the One-Way Data Flow and JSX Rules description: React is a JavaScript library/framework for building user interfaces. It has gained immense popularity due to its simplicity and flexibility. Data flow is the... canonical: https://daily.dev/posts/react-what-is-the-one-way-data-flow-and-jsx-rules-onr5fstu7 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: React: What is the One-Way Data Flow and JSX Rules | daily.dev og:description: React is a JavaScript library/framework for building user interfaces. It has gained immense popularity due to its simplicity and flexibility. Data flow is the... og:url: https://daily.dev/posts/react-what-is-the-one-way-data-flow-and-jsx-rules-onr5fstu7 og:image: https://api.daily.dev/og/posts/onR5fstu7.png og:image:alt: React: What is the One-Way Data Flow and JSX Rules 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. # React: What is the One-Way Data Flow and JSX Rules **[Community Picks](https://daily.dev/sources/community)** · 8 min read · 10 upvotes · 1 comments ## Summary React is a JavaScript library/framework for building user interfaces. It has gained immense popularity due to its simplicity and flexibility. Data flow is the backbone of any application, dictating how information moves and transforms. When data changes, it flows in a single direction, making it easier to trace how components are affected. ## 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. **@kiranpatel\_1213** · 1 upvotes > @amy11 Thanks for sharing. Useful! ## 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 --- Tags: [#react](https://daily.dev/tags/react), [#javascript](https://daily.dev/tags/javascript), [#tools](https://daily.dev/tags/tools), [#html](https://daily.dev/tags/html), [#react-hooks](https://daily.dev/tags/react-hooks), [#gatsby](https://daily.dev/tags/gatsby), [#vite](https://daily.dev/tags/vite), [#jsx](https://daily.dev/tags/jsx) [View this post on daily.dev](https://daily.dev/posts/react-what-is-the-one-way-data-flow-and-jsx-rules-onr5fstu7) ```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":"React: What is the One-Way Data Flow and JSX Rules","url":"https://daily.dev/posts/react-what-is-the-one-way-data-flow-and-jsx-rules-onr5fstu7","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/react-what-is-the-one-way-data-flow-and-jsx-rules-onr5fstu7"},"datePublished":"2023-09-20T13:55:46.859Z","dateModified":"2023-12-07T12:02:45.284Z","description":"React is a JavaScript library/framework for building user interfaces. 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