lodash.maxby

What is lodash.maxby?

The lodash.maxby package is a utility library that provides a function to find the maximum element in a collection based on a specified criterion. It is part of the Lodash library, which is a popular JavaScript utility library that offers various functions for common programming tasks.

What are lodash.maxby's main functionalities?

Find maximum element by property

This feature allows you to find the maximum element in a collection of objects based on a specified property. In this example, the maximum object is found based on the 'n' property.

const _ = require('lodash.maxby');
const objects = [{ 'n': 1 }, { 'n': 2 }];
const maxObject = _.maxBy(objects, 'n');
console.log(maxObject); // { 'n': 2 }

Find maximum element by custom function

This feature allows you to find the maximum element in a collection of objects based on a custom function. In this example, the maximum object is found using a custom function that returns the 'n' property.

const _ = require('lodash.maxby');
const objects = [{ 'n': 1 }, { 'n': 2 }];
const maxObject = _.maxBy(objects, function(o) { return o.n; });
console.log(maxObject); // { 'n': 2 }

Other packages similar to lodash.maxby

underscore

Underscore is a JavaScript library that provides utility functions for common programming tasks. It includes a similar function called 'max' that can be used to find the maximum element in a collection based on a specified criterion. Compared to lodash.maxby, Underscore's 'max' function is less flexible as it does not support property shorthand.

ramda

Ramda is a functional programming library for JavaScript that provides utility functions for working with arrays and objects. It includes a function called 'maxBy' that can be used to find the maximum element in a collection based on a specified criterion. Ramda's 'maxBy' function is similar to lodash.maxby but is designed to work with a functional programming style.

README

lodash.maxby v4.5.1

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

Installation

Using npm:

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

In Node.js:

var maxBy = require('lodash.maxby');

See the documentation or package source for more details.