Online

• Official Website

Code

• Github Repository
• Annotated Source

Download

• UnderscoreJS Cheat Sheet [.pdf]

Related

• JavaScript

More Links

• Links

Collection Functions

• each
• map
• reduce
• reduceRight
• find
• filter
• where
• findWhere
• reject
• every
• some
• invoke
• pluck
• max
• sortBy
• groupBy
• countBy
• shuffle
• toArray
• size

Array Functions

• first
• initial
• last
• compact
• flatten
• without
• union
• intersection
• difference
• uniq
• zip
• object
• indexOf
• lastIndexOf
• sortedIndex
• range

Function Functions

• bind
• bindAll
• partial
• memoize
• delay
• defer
• throttle
• debounce
• once
• after
• wrap
• compose

Object Functions

• keys
• values
• pairs
• invert
• functions
• extend
• pick
• omit
• defaults
• clone
• tap
• has
• isEqual
• isEmpty
• isElement
• isArray
• isObject
• isArguments
• isFunction
• isString
• isNumber
• isFinite
• isBoolean
• isDate
• isRegExp
• isNaN
• isNull
• isUndefined

Utility Functions

• noConflict
• identity
• times
• random
• mixin
• uniqueId
• escape
• unescape
• result
• template

• chain
• value