With a comprehensive open source management solution like the Tidelift Subscription, you can efficiently manage the ways development teams use thousands of open source components across JavaScript, Python, Java, PHP, Ruby, .NET, Rust, and more. Accelerate application development, cut costs, and reduce risk with catalogs of known-good, proactively maintained open source components—backed by maintainers.
core-js is a part of the Tidelift Subscriptionnpm core-js is a modular standard library for JavaScript. npm-core-js includes polyfills for ECMAScript up to 2019: promises, symbols, collections, iterators, typed arrays, many other features, ECMAScript proposals, some cross-platform WHATWG / W3C features and proposals like URL. You can load only required features or use it without global namespace pollution.
According to npm, core-js has over 15 million downloads a week and has over 16,000 projects depending on it.
The maintainers of core-js and the maintainers of thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use.
You can learn more about core-js on the project repo.
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