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jashkenas
underscore
JavaScript2009–2026
jashkenas / underscore

underscore

JavaScript's utility _ belt

Web DevelopmentLibraries & SDKs
Explore on GitHubRead Hacker News discussions
31Distinct people
35Mentions
0Explicit recommenders
27.3KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

JavaScript's utility _ belt

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 1:49:46 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year35 dated mentions

Observed mentions: 2009-10-28 14:07:13 UTC to 2026-06-10 19:03:04 UTC.

02468102009-01-01 00:00:00 UTC to 2010-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments20092010-01-01 00:00:00 UTC to 2011-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2011-01-01 00:00:00 UTC to 2012-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2012-01-01 00:00:00 UTC to 2013-01-01 00:00:00 UTC (exclusive): 7 mentions; 2 submissions, 5 comments2013-01-01 00:00:00 UTC to 2014-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2014-01-01 00:00:00 UTC to 2015-01-01 00:00:00 UTC (exclusive): 9 mentions; 3 submissions, 6 comments2015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 7 mentions; 2 submissions, 5 comments2016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 4 mentions; 1 submissions, 3 comments2017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments20172018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2026-01-01 00:00:00 UTC to 2027-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments. Incomplete calendar period.2026*

* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20092009-01-01 00:00:00 UTC2010-01-01 00:00:00 UTC101
20102010-01-01 00:00:00 UTC2011-01-01 00:00:00 UTC000
20112011-01-01 00:00:00 UTC2012-01-01 00:00:00 UTC101
20122012-01-01 00:00:00 UTC2013-01-01 00:00:00 UTC725
20132013-01-01 00:00:00 UTC2014-01-01 00:00:00 UTC202
20142014-01-01 00:00:00 UTC2015-01-01 00:00:00 UTC936
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC725
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC413
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC101
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC000
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC000
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC000
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC000
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC202
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC000
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC000
2026 (partial)2026-01-01 00:00:00 UTC2027-01-01 00:00:00 UTC101

From the project README

An excerpt from the repository, fetched Nov 13, 2026.

Read the project’s introduction
__ /\ \ __ __ __ ___ \_\ \ __ _ __ ____ ___ ___ _ __ __ /\_\ ____ /\ \/\ \ /' _ `\ /'_ \ /'__`\/\ __\/ ,__\ / ___\ / __`\/\ __\/'__`\ \/\ \ /',__\ \ \ \_\ \/\ \/\ \/\ \ \ \/\ __/\ \ \//\__, `\/\ \__//\ \ \ \ \ \//\ __/ __ \ \ \/\__, `\ \ \____/\ \_\ \_\ \___,_\ \____\\ \_\\/\____/\ \____\ \____/\ \_\\ \____\/\_\ _\ \ \/\____/ \/___/ \/_/\/_/\/__,_ /\/____/ \/_/ \/___/ \/____/\/___/ \/_/ \/____/\/_//\ \_\ \/___/ \ \____/ \/___/ 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.
Read the full README on GitHub

What Hacker News says

35 sources
jason_oster·Jun 10, 2026
Are you sure about that? Most of the mid-2000's jQuery components bundled their HTML and CSS in bespoke template strings within JS. If you remember, jQuery's `.css()` method accepted JSON to set CSS properties, and `.html()` accepted a string to set the inner-HTML. And if you needed to manipulate strings to generate HTML, you'd be doing so with some kind of template mechanism, like string concatenation or substring substitutions. John Resig, author of jQuery, wrote Secrets of the JavaScript Ninja in 2008 [1], offering a small templating engine that does exactly that. The first commit in the Underscore library credits this book for their `template` method [2]. I think your chronology is skewed or confused. "SPAs" have been brewing in some form since the mid-2000's, when people stopped writing plain old HTML and CSS. Everything was jQuery U
Read the rest
I widgets and AJAX, Prototype and Underscore templates. HTML died a very long time ago. [1]: https://blog.codinghorror.com/secrets-of-the-javascript-ninj... [2]: https://github.com/jashkenas/underscore/commit/02ede85b539a8...
In Replies to comments on my "LLMs are eroding my career" post

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