This library predates Underscore, Underscore.string, and Lowdash, which I now recommend (and personally use) instead.
Additionally, modern versions of JavaScript (as of ECMAScript 5) include a number of Array methods
(forEach, every, some, reduce, filter, indexOf, lastIndexOf, and reduceRight),
that provide a substantial subset of what this library provides.
Modern browsers support these methods.
Finally, es5-shim is an alternative to Underscore etc. that extends pre-ECMAScript 5 JavaScript implementations with the ECMAScript 5 array methods.
Framework-independent JavaScript collection methods, for use in browser JavaScript and in ActionScript.
The Array and String methods use prototype extension; Hash methods use a proxying wrapper to avoid prototype pollution. The methods with the same names as the ECMAScript 1.6+ extensions have the same spec as those; the ones with the same name as prototype extensions have the same spec as those in the Prototype library; and there's a few odds and ends such as String#capitalize.
The methods are documented in lib/collections.js, and speced (for further documentation, as well as testing) in spec/*.js.
Copyright 2007-2008 by Oliver Steele. Available under the MIT License.