Jest is a JavaScript testing framework that emphasizes simplicity. It works with various JavaScript projects including Babel, TypeScript, Node, React, Angular, and Vue. Jest aims for a zero-configuration approach, allowing it to function seamlessly in most JavaScript projects. It supports snapshots for managing large objects within tests, isolates tests for optimal performance, and offers a comprehensive API from test setup to assertions. Jest prioritizes speed and reliability by running failed tests first and re-organizing runs to optimize testing time. Additionally, it facilitates code coverage generation, mocking, and provides rich feedback when tests fail.
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The website jestjs.io is built with 13 technologies.
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CDN
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Documentation
Docusaurus
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Version: 3.7.0
Analytics
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Tag managers
Google Tag Manager
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Security
HSTS
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Miscellaneous
Open Graph
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PWA
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RSS
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JavaScript frameworks
React
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