Project Summary
Underscore is a utility-belt library for JavaScript that provides a lot of the functional programming support that you would expect in Prototype.js (or Ruby), but without extending any of the built-in JavaScript objects. It's the tie to go along with jQuery's tux, and Backbone.js's suspenders.
Underscore provides 80-odd functions that support both the usual functional suspects: map, select, invoke — as well as more specialized helpers: function binding, javascript templating, deep equality testing, and so on. It delegates to built-in functions, if present, so modern browsers will use the native implementations of forEach, map, reduce, filter, every, some and indexOf.
In a Nutshell, Underscore.js...
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has a well established, mature codebase
maintained by a small development team
with decreasing Y-O-Y commits -
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took an estimated 61 years of effort (COCOMO model)
starting with its first commit in October, 2009
ending with its most recent commit 10 months ago
MIT License
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Commercial Use
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Private Use
Forbidden
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Required
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These details are provided for information only. No information here is legal advice and should not be used as such.
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