8 Javascript libraries that every javascript programmer should know about

1) Lodash

Lodash is a JavaScript utility library delivering modularity, performance & extras. It helps you write better code with fewer bugs and provides APIs for primitive types, collections, functions & objects,string manipulation, functions, arrays, numbers, objects, etc.

2) Moment.js

Moment.js is a lightweight javascript date library for parsing, validating, manipulating, and formatting dates.

3) Cheerio

Cheerio is a full-featured DOM manipulation library for the browser and node.js.

4) jQuery

jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.

5) Lodash/fp

Lodash/fp is an utility-belt library that provides functional programming helpers without extending any built-in objects.

6) Taffy

Taffy is an extensible JSON parser for Node.js and the browser.

7) Q

Q is a library for making the asynchronous code more like the synchronous code. It provides a lot of useful features, such as: first-class promises, chaining promises, transparent use of callbacks, etc.

8) Momentum

Momentum is a javascript library for building and animating HTML5 Canvas games.