实用JavaScript工具库：Lo-Dash

Lo-Dash是一个实用的JavaScript工具库。提供一致性，定制，性能，及附加功能。

• ~100% code coverage
• Module bundles for AMD & Node.js as well as npm packages
• Follows semantic versioning for releases
• _(…) supports intuitive chaining
• _.at for cherry-picking values
• _.bindKey for binding “lazy” defined methods
• _.clone supports shallow cloning of Date & RegExp objects
• _.cloneDeep for deep cloning arrays & objects
• _.contains accepts a fromIndex
• _.create for easier object inheritance
• _.createCallback for extending callbacks in methods & mixins
• _.curry for creating curried functions
• _.debounce & _.throttle accept additional options for more control
• _.findIndex & _.findKey for finding indexes & keys
• _.forEach supports exiting early
• _.forIn for iterating own & inherited properties
• _.forOwn for iterating own properties
• _.isPlainObject for checking if values are created by Object
• _.mapValues for mapping values to an object
• _.memoize exposes the cache of memoized functions
• _.merge for a deep _.extend
• _.noop for function placeholders
• _.parseInt for consistent behavior
• _.pull & _.remove for mutating arrays
• _.random supports returning floating-point numbers
• _.sortBy supports sorting by multiple properties
• _.runInContext for easier mocking
• _.support for flagging environment features
• _.template supports “imports” options & ES6 template delimiters
• _.transform as a powerful alternative to _.reduce for transforming objects
• _.where supports deep comparisons
• _.xor as a companion to _.difference, _.intersection, & _.union
• _.zip is capable of unzipping values
• _.omit, _.pick, & more accept callbacks
• _.contains, _.toArray, & more accept strings
• _.filter, _.map, & more support “_.pluck” & “_.where” shorthands
• _.findLast, _.findLastIndex, & more right-associative methods

_.assign({ 'a': 1 }, { 'b': 2 }, { 'c': 3 });  // → { 'a': 1, 'b': 2, 'c': 3 }  _.map([1, 2, 3], function(n) { return n * 3; });  // → [3, 6, 9]

项目主页：http://www.open-open.com/lib/view/home/1397725111906