jashkenas /underscore

JavaScript's utility _ belt

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JavaScriptCreated 2009-10-25underscorejs.org
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README

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Underscore.js is a utility-belt library for JavaScript that provides
support for the usual functional suspects (each, map, reduce, filter...)
without extending any core JavaScript objects.

For Docs, License, Tests, and pre-packed downloads, see:
https://underscorejs.org

For support and questions, please consult
our security policy,
the gitter channel
or stackoverflow

Underscore is an open-sourced component of DocumentCloud:
https://github.com/documentcloud

Many thanks to our contributors:
https://github.com/jashkenas/underscore/contributors

You can support the project by donating on
Patreon.
Enterprise coverage is available as part of the
Tidelift Subscription.

This project adheres to a code of conduct. By participating, you are expected to uphold this code.

Snapshot: 2026-11-10T09:35:25Z · Data license Apache-2.0 · JSON