--- title: Migrating away from Jest and achieving over 90%... description: The post describes the author's experience of migrating from Jest to Mocha and achieving over 90% reduction in running time. The author shares the drawbacks of... canonical: https://daily.dev/posts/migrating-away-from-jest-and-achieving-over-90-reduction-in-running-time-kqbxnfms7 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Migrating away from Jest and achieving over 90% reduction in running time | daily.dev og:description: The post describes the author's experience of migrating from Jest to Mocha and achieving over 90% reduction in running time. The author shares the drawbacks of... og:url: https://daily.dev/posts/migrating-away-from-jest-and-achieving-over-90-reduction-in-running-time-kqbxnfms7 og:image: https://api.daily.dev/og/posts/kQBXNfmS7.png og:image:alt: Migrating away from Jest and achieving over 90% reduction in running time 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. # Migrating away from Jest and achieving over 90% reduction in running time **[Community Picks](https://daily.dev/sources/community)** · 4 min read · 10 upvotes · 1 comments ## Summary The post describes the author's experience of migrating from Jest to Mocha and achieving over 90% reduction in running time. The author shares the drawbacks of using Jest and highlights the faster performance of Mocha. ## 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. **@axelerated** · 0 upvotes > Who's gonna tell him about bun? > > (And I know it's not on feature parity with Jest, yet.) --- Tags: [#performance](https://daily.dev/tags/performance), [#testing](https://daily.dev/tags/testing), [#nodejs](https://daily.dev/tags/nodejs), [#jest](https://daily.dev/tags/jest) [View this post on daily.dev](https://daily.dev/posts/migrating-away-from-jest-and-achieving-over-90-reduction-in-running-time-kqbxnfms7) ```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":"Migrating away from Jest and achieving over 90% reduction in running time","url":"https://daily.dev/posts/migrating-away-from-jest-and-achieving-over-90-reduction-in-running-time-kqbxnfms7","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/migrating-away-from-jest-and-achieving-over-90-reduction-in-running-time-kqbxnfms7"},"datePublished":"2024-03-18T23:00:53.989Z","dateModified":"2024-05-09T08:16:28.624Z","description":"The post describes the author's experience of migrating from Jest to Mocha and achieving over 90% reduction in running time. 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