npm package
Homecore-js
core-js is a modular standard library for JavaScript that provides polyfills for ECMAScript features up to 2026. It is useful for ensuring compatibility with modern JavaScript features across different environments. This library can be integrated into applications that require support for newer JavaScript functionalities in older browsers or environments.
- lurq health score
- 80/100
- Confidence
- proven
- Weekly downloads
- 50,415,158
- Latest version
- 3.50.0
- Last release
- Aug 5, 2026
- License
- MIT
Should you depend on core-js?
lurq's verdict: low
- No known advisories
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Upgrading core-js
What each major version removed, renamed or re-signatured, from lurq's extraction of the published packages.
- 2.6.12 → 3.50.0being extracted
- 1.2.7 → 2.6.12being extracted
- 0.9.18 → 1.2.7being extracted
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Scored from public signals (npm registry, GitHub, deps.dev and advisory databases). Data as of Sep 15, 2026; this page refreshes every 24 hours. Source repository.