lodash.uniq

What is lodash.uniq?

The lodash.uniq package is a utility function from the Lodash library that creates a duplicate-free version of an array, using SameValueZero for equality comparisons. It can be used to filter out duplicate values from an array to ensure that each value is unique.

What are lodash.uniq's main functionalities?

Removing duplicates from an array

This code sample demonstrates how to use lodash.uniq to remove duplicate numbers from an array, resulting in an array of unique numbers.

[1, 2, 2, 3].filter(_.uniq)

Other packages similar to lodash.uniq

uniq

The 'uniq' package is similar to lodash.uniq in that it also removes duplicate elements from an array. However, it is a standalone package and does not depend on the larger Lodash library.

array-unique

The 'array-unique' package provides functionality similar to lodash.uniq, offering a way to remove duplicate values from an array. It is also a smaller, more focused alternative to the full Lodash library.

underscore

The 'underscore' library contains a 'uniq' function that is similar to lodash.uniq. While both Lodash and Underscore offer utility functions for JavaScript, they have different implementations and performance characteristics.

README

lodash.uniq v4.5.0

The lodash method _.uniq exported as a Node.js module.

Installation

Using npm:

$ {sudo -H} npm i -g npm
$ npm i --save lodash.uniq

In Node.js:

var uniq = require('lodash.uniq');

See the documentation or package source for more details.