General & Concept

Eloquent JavaScript
JS ebook
Basic JavaScript
JavaScript SDK Design
You don't know JS
✨ JavaScript Path
✨ JQuery Tips should know
Learn JS
✨ Superhero JS
JavaScript Application Design
✨ You don't need JQuery
✨ Essential JS Links
JavaScript Challenge Book
jstip - one js tip per day!
✨ Explain Event Loop

Design Pattern

shichuan/js pattern - Javascript Pattern by she churn
addyosmani/essential js pattern - Design pattern book by Addy Osmani.
JavaScript Decorator - JavaScript Decorator
Design-Patterns-in-Javascript - Design Pattern applied to JS.

Coding Style

https://github.com/airbnb/javascript
https://github.com/rwaldron/idiomatic.js
https://github.com/bevacqua/js

ES6

http://exploringjs.com/es6/index.html
https://github.com/lukehoban/es6features - Overview of ECMAScript 6 features
https://github.com/ruanyf/es6tutorial - 是一本开源的JavaScript语言教程，全面介绍ECMAScript 6新增的语法特性。
https://codetower.github.io/es6-features/ - ES6 Feature overview.