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underscore

JavaScript's functional programming helper library.

latest
stable
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npmnpm
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1.13.8
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18M
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2
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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.

Keywords

util

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Package last updated on 19 Feb 2026

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