Cleanup README.md.

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John-David Dalton
2012-05-22 00:11:41 -04:00
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# Lo-Dash <sup>v0.2.0</sup>
Lo-Dash, from the devs behind [jsPerf.com](http://jsperf.com), is a drop-in replacement for Underscore.js that delivers [performance improvements](http://jsperf.com/lodash-underscore#filterby=family), bug fixes, and additional features.
A drop-in replacement for Underscore.js, from the devs behind [jsPerf.com](http://jsperf.com), that delivers [performance improvements](http://jsperf.com/lodash-underscore#filterby=family), bug fixes, and additional features.
Lo-Dashs performance is gained by avoiding slower native methods, instead opting for simplified non-ES5 compliant methods optimized for common usage, and by leveraging function compilation to reduce the number of overall function calls.
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For more information check out these screencasts over Lo-Dash:
* [Introducing Lo-Dash](http://dl.dropbox.com/u/513327/allyoucanleet/post/20/file/screencast.mp4)
* [Compiling and custom builds](http://dl.dropbox.com/u/513327/allyoucanleet/post/21/file/screencast.mp4)
* [Optimizations and custom builds](http://dl.dropbox.com/u/513327/allyoucanleet/post/21/file/screencast.mp4)
## Features
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* [_.forEach](http://lodash.com/docs#_foreachcollection-callback--thisarg) is chainable
* [_.groupBy](http://lodash.com/docs#_groupbycollection-callback--thisarg) accepts a third `thisArg` argument
* [_.partial](http://lodash.com/docs#_partialfunc--arg1-arg2-) for more functional fun
* [_.size](http://lodash.com/docs#_sizecollection) returns the `length` of a string value
* [_.size](http://lodash.com/docs#_sizecollection) returns the `length` of string values
## Support
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* `_.forEach` should be chainable [#142](https://github.com/documentcloud/underscore/issues/142)
* `_isNaN(new Number(NaN))` should return `true`
* `_.reduceRight` should pass correct callback arguments when iterating objects
* `_.size` should return the `length` of a string value
* `_.size` should return the `length` of string values
## Optimized methods <sup>(50+)</sup>