--- title: SOLID - The Simple Way To Understand | daily.dev description: This post explains the SOLID principles in a simple way using Typescript examples. It covers the Single Responsibility Principle, Open-Closed Principle, Liskov... canonical: https://daily.dev/posts/solid---the-simple-way-to-understand-cjqu7bint twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: SOLID - The Simple Way To Understand | daily.dev og:description: This post explains the SOLID principles in a simple way using Typescript examples. It covers the Single Responsibility Principle, Open-Closed Principle, Liskov... og:url: https://daily.dev/posts/solid---the-simple-way-to-understand-cjqu7bint og:image: https://api.daily.dev/og/posts/cjQU7biNT.png og:image:alt: SOLID - The Simple Way To Understand 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. # SOLID - The Simple Way To Understand **[DEV](https://daily.dev/sources/devto)** · 6 min read · 1735 upvotes · 43 comments ## Summary This post explains the SOLID principles in a simple way using Typescript examples. It covers the Single Responsibility Principle, Open-Closed Principle, Liskov Substitution Principle, Interface Segregation Principle, and Dependency Inversion Principle. ## 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. **@quasar6** · 25 upvotes > Cool and easy to understand, but the english very broken... **@th3ja** · 4 upvotes > Hats-off to your examples and explanations. Well done! **@tyujhty** · 3 upvotes > Nice ! **@bozebo** · 2 upvotes > Nice clear examples good job. Something that helps keep on track for most of these is to think "composition over inheritance". **@puffenstein** · 1 upvotes > The examples given for LSP and ISP are very similar and don't communicate the difference clearly to me. Otherwise, I liked the article. Thank you 🙏 ## 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: [#architecture](https://daily.dev/tags/architecture), [#general-programming](https://daily.dev/tags/general-programming), [#typescript](https://daily.dev/tags/typescript) [View this post on daily.dev](https://daily.dev/posts/solid---the-simple-way-to-understand-cjqu7bint) ```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":"SOLID - The Simple Way To Understand","url":"https://daily.dev/posts/solid---the-simple-way-to-understand-cjqu7bint","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/solid---the-simple-way-to-understand-cjqu7bint"},"datePublished":"2024-05-03T06:56:09.148Z","dateModified":"2026-03-15T03:56:28.930Z","description":"This post explains the SOLID principles in a simple way using Typescript examples. 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Well done!","datePublished":"2024-05-04T19:15:09.866Z","url":"https://daily.dev/posts/cjQU7biNT#c-DK0LxCteF","author":{"@type":"Person","name":"Jorge","url":"https://daily.dev/th3ja","image":"https://lh3.googleusercontent.com/a/ACg8ocKvK0XgrUfP_qtTDJ1lHem2-BCfDfiw1v5q-oUdtutzbAQ=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4}},{"@type":"Comment","text":"Nice !","datePublished":"2024-05-04T05:54:13.804Z","url":"https://daily.dev/posts/cjQU7biNT#c-kWwXSVWh6","author":{"@type":"Person","name":"Tyujhty","url":"https://daily.dev/tyujhty","image":"https://avatars.githubusercontent.com/u/46559941?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"Nice clear examples good job. Something that helps keep on track for most of these is to think “composition over inheritance”.","datePublished":"2024-05-12T04:03:29.872Z","url":"https://daily.dev/posts/cjQU7biNT#c-mzFch2YVQ","author":{"@type":"Person","name":"Phil","url":"https://daily.dev/bozebo","image":"https://media.daily.dev/image/upload/s--O0TOmw4y--/f_auto/v1715772965/public/noProfile"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"The examples given for LSP and ISP are very similar and don’t communicate the difference clearly to me. Otherwise, I liked the article. Thank you 🙏","datePublished":"2024-05-12T16:39:07.306Z","url":"https://daily.dev/posts/cjQU7biNT#c-XStWUzsYg","author":{"@type":"Person","name":"ivaylo.parvanov@outlook.com","url":"https://daily.dev/puffenstein","image":"https://media.daily.dev/image/upload/s--O0TOmw4y--/f_auto/v1715772965/public/noProfile"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```