css-vendor

CSS vendor prefix detection and property feature testing.

v2.0.8 URL: https://unpkg.com/css-vendor@2.0.8/dist/css-vendor.cjs.js

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css vendor feature test prefix cssinjs jss css-in-js

frowser

feature based browser detection

v1.1.1 URL: https://unpkg.com/frowser@1.1.1/build/es5.js

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browser useragent user-agent parser ua detection feature frowser react

ullamut

CSS vendor prefix detection and property feature testing.

v1.1.3 URL: https://unpkg.com/ullamut@1.1.3/index.js

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velit vendor feature nisi aut

es-feature-detection

ECMAScript feature and API detection

v3.0.1 URL: https://unpkg.com/es-feature-detection@3.0.1/index.js

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es6 es7 es2015 es2016 es2017 es2018 es2019 es2020 ecmascript feature detect check test syntax polyfill builtin dom localization

polyfill-io-feature-detection

Feature detection in the browser before loading polyfill using services like polyfill.io

v1.1.15 URL: https://unpkg.com/polyfill-io-feature-detection@1.1.15/index.js

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polyfill.io feature detection polyfill detect pre-detect supported browser