Bobby L. Craig

Lo-Dash v0.9.2

# Lo-Dash v0.9.2 A utility library delivering consistency, [customization](http://lodash.com/custom-builds), [performance](http://lodash.com/benchmarks), & [extras](http://lodash.com/#features). ## Download * [Development build](https://raw.github.com/lodash/lodash/0.9.2/lodash.js) * [Production build](https://raw.github.com/lodash/lodash/0.9.2/lodash.min.js) * [Underscore build](https://raw.github.com/lodash/lodash/0.9.2/lodash.underscore.min.js) tailored for projects already using Underscore * CDN copies of ≤ v0.9.2’s [Production](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/0.9.2/lodash.min.js), [Underscore](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/0.9.2/lodash.underscore.min.js), and [Development](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/0.9.2/lodash.js) builds are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/) * For optimal file size, [create a custom build](http://lodash.com/custom-builds) with only the features you need ## Dive in We’ve got [API docs](http://lodash.com/docs), [benchmarks](http://lodash.com/benchmarks), and [unit tests](http://lodash.com/tests). Create your own benchmarks at [jsPerf](http://jsperf.com), or [search](http://jsperf.com/search?q=lodash) for existing ones. For a list of upcoming features, check out our [roadmap](https://github.com/lodash/lodash/wiki/Roadmap). ## Screencasts For more information check out these screencasts over Lo-Dash: * [Introducing Lo-Dash](https://vimeo.com/44154599) * [Lo-Dash optimizations and custom builds](https://vimeo.com/44154601) * [Lo-Dash’s origin and why it’s a better utility belt](https://vimeo.com/44154600) * [Unit testing in Lo-Dash](https://vimeo.com/45865290) * [Lo-Dash’s approach to native method use](https://vimeo.com/48576012) ## Features * AMD loader support ([RequireJS](http://requirejs.org/), [curl.js](https://github.com/cujojs/curl), etc.) * [_.clone](http://lodash.com/docs#clone) supports *“deep”* cloning * [_.contains](http://lodash.com/docs#contains) accepts a `fromIndex` argument * [_.forEach](http://lodash.com/docs#forEach) is chainable and supports exiting iteration early * [_.forIn](http://lodash.com/docs#forIn) for iterating over an object’s own and inherited properties * [_.forOwn](http://lodash.com/docs#forOwn) for iterating over an object’s own properties * [_.isPlainObject](http://lodash.com/docs#isPlainObject) checks if values are created by the `Object` constructor * [_.lateBind](http://lodash.com/docs#lateBind) for late binding * [_.merge](http://lodash.com/docs#merge) for a *“deep”* [_.extend](http://lodash.com/docs#extend) * [_.partial](http://lodash.com/docs#partial) for partial application without `this` binding * [_.pick](http://lodash.com/docs#pick) and [_.omit](http://lodash.com/docs#omit) accepts `callback` and `thisArg` arguments * [_.template](http://lodash.com/docs#template) supports [ES6 delimiters](http://people.mozilla.org/~jorendorff/es6-draft.html#sec-7.8.6) and utilizes [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl) for easier debugging * [_.contains](http://lodash.com/docs#contains), [_.size](http://lodash.com/docs#size), [_.toArray](http://lodash.com/docs#toArray), [and more…](http://lodash.com/docs "_.countBy, _.every, _.filter, _.find, _.forEach, _.groupBy, _.invoke, _.map, _.max, _.min, _.pluck, _.reduce, _.reduceRight, _.reject, _.shuffle, _.some, _.sortBy, _.where") accept strings ## Support Lo-Dash has been tested in at least Chrome 5~23, Firefox 1~16, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.8.14, Narwhal 0.3.2, RingoJS 0.8, and Rhino 1.7RC5. ## Installation and usage In browsers: ```html ``` Using [npm](http://npmjs.org/): ```bash npm install lodash npm install -g lodash npm link lodash ``` In [Node.js](http://nodejs.org/) and [RingoJS v0.8.0+](http://ringojs.org/): ```js var _ = require('lodash'); ``` **Note:** If Lo-Dash is installed globally, [run `npm link lodash`](http://blog.nodejs.org/2011/03/23/npm-1-0-global-vs-local-installation/) in your project’s root directory before requiring it. In [RingoJS v0.7.0-](http://ringojs.org/): ```js var _ = require('lodash')._; ``` In [Rhino](http://www.mozilla.org/rhino/): ```js load('lodash.js'); ``` In an AMD loader like [RequireJS](http://requirejs.org/): ```js require({ 'paths': { 'underscore': 'path/to/lodash' } }, ['underscore'], function(_) { console.log(_.VERSION); }); ``` ## Resolved Underscore.js issues * Allow iteration of objects with a `length` property [[#799](https://github.com/documentcloud/underscore/pull/799), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L545-551)] * Fix cross-browser object iteration bugs [[#60](https://github.com/documentcloud/underscore/issues/60), [#376](https://github.com/documentcloud/underscore/issues/376), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L558-582)] * Methods should work on pages with incorrectly shimmed native methods [[#7](https://github.com/documentcloud/underscore/issues/7), [#742](https://github.com/documentcloud/underscore/issues/742), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L140-146)] * `_.isEmpty` should support jQuery/MooTools DOM query collections [[#690](https://github.com/documentcloud/underscore/pull/690), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L747-752)] * `_.isObject` should avoid V8 bug [#2291](http://code.google.com/p/8/issues/detail?id=2291) [[#605](https://github.com/documentcloud/underscore/issues/605), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L828-840)] * `_.keys` should work with `arguments` objects cross-browser [[#396](https://github.com/documentcloud/underscore/issues/396), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L921-923)] * `_.range` should coerce arguments to numbers [[#634](https://github.com/documentcloud/underscore/issues/634), [#683](https://github.com/documentcloud/underscore/issues/683), [test](https://github.com/lodash/lodash/blob/0.9.2/test/test.js#L1337-1340)] ## Release Notes ### v0.9.2 * Added `fromIndex` argument to `_.contains` * Added `moduleId` build option * Added Closure Compiler *“simple”* optimizations to the build process * Added support for strings in `_.max` and `_.min` * Added support for ES6 template delimiters to `_.template` * Ensured re-minification of Lo-Dash by third parties avoids Closure Compiler bugs * Optimized `_.every`, `_.find`, `_.some`, and `_.uniq` The full changelog is available [here](https://github.com/lodash/lodash/wiki/Changelog). ## BestieJS Lo-Dash is part of the [BestieJS](https://github.com/bestiejs) *“Best in Class”* module collection. This means we promote solid browser/environment support, ES5 precedents, unit testing, and plenty of documentation. ## Author | [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](http://twitter.com/jdalton "Follow @jdalton on Twitter") | |---| | [John-David Dalton](http://allyoucanleet.com/) | ## Contributors | [![twitter/blainebublitz](http://gravatar.com/avatar/ac1c67fd906c9fecd823ce302283b4c1?s=70)](http://twitter.com/blainebublitz "Follow @BlaineBublitz on Twitter") | [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter") | [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](http://twitter.com/mathias "Follow @mathias on Twitter") | |---|---|---| | [Blaine Bublitz](http://iceddev.com/) | [Kit Cambridge](http://kitcambridge.github.io/) | [Mathias Bynens](http://mathiasbynens.be/) |