Functional programming is writing functions and expressions that are free from any side-effects, including mutating variables.

Recipes on Composing Functions in JavaScript

A quick overview of new JavaScript features in ES2015, ES2016, ES2017, ES2018 and beyond.

Express RESTful API Server with Knex and PostgreSQL and deployed to PCF.

Common reusable algorithms for the JavaScript language.

The JavaScript Date constructor function and methods of Date objects.

Array methods are a powerful way to iterate over an array to create a new Array or value.

A promise represents the eventual result of an asynchronous operation. JavaScript promises were added to the language in ES-2015.

Recipes for the JavaScript language.

JSDoc 3 is an API documentation generator for JavaScript, similar to Javadoc or phpDocumentor. You add documentation comments directly to your source code, right alongside the code itself. The JSDoc tool will scan your source code and generate an HTML documentation website for you.

Knex is an SQL query builder for Node.js. This guide targets v0.13.0.

React.js is a declarative, component based JavaScript library for building user interfaces.