Underscore is a JavaScript library that provides a whole mess of useful functional programming helpers without extending any built-in objects.

Underscore-esm.js · Underscore Test Suite · ESM Exports · isEqual.js

If Underscore is called as a function, it returns a wrapped object that can be used OO-style. This wrapper holds altered versions of all functions added through ...

A group of functions that check the types of core JavaScript values. These are often informally referred to as the “isType” functions. export { default as ...

Nov 15, 2011 · RequireJS 2.X now organically addresses non-AMD modules such as Backbone & Underscore much better, using the new shim configuration.

External wrapper for our callback generator. Users may customize _.iteratee if they want additional predicate/iteratee shorthand styles. This abstraction hides ...

Jul 22, 2016 · “Underscore is a JavaScript library that provides a whole mess of useful functional programming helpers that you would expect in Prototype.js ( ...

Invert the keys and values of an object. The values must be serializable. export default function invert(obj) { var ...

An internal function for creating assigner functions. export default function createAssigner(keysFunc, defaults) { return function(obj) { var length ...