Array

concat, indexOf(obj, from) -> (index|-1), join, lastIndexOf, length, pop, push, reverse, shift, slice(from, to), sort(fn(a, b)), splice(from, count), unshift, filter, forEach, every, map, some, reduce(fn(prev, curr)), reduceRight

sortBy(fn|key)

String

length, [], <>, indexOf(str, from) -> (index|-1), lastIndexOf, match(re), replace(str|re, str|$N|fn), search(str|re) -> (index|-1), slice(from, to), split(str|re), toLowerCase, toUpperCase, trim

Object

hasOwnProperty, keys, prototype

delete(key), extend(*objs), keys, pick(*keys), size, values

RegExp

exec, test

g global, i ignore case, m multiline, [\s\S]

Function

apply(this, args), arguments, bind, call(this, *args), constructor, length

Special

Array Boolean Date Error Function Number Object RegExp String

null undefined (Infinity, -Infinity, NaN)

in, delete, typeof, instanceof

clone, isArray, isBlank, isEmpty, isEqual, isFunction

Source

Blue functions belongs to Underscore.js