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ES6 Features Overview
https://github.com/lukehoban/es6features
Examples of each of the new major features -
ES6 Features Comparison
http://es6-features.org/
Code snippets comparing ES6 features with their ES5 equivalents -
ES6 Overview in 350 Bullet Points
https://ponyfoo.com/articles/es6
Quick samples and descriptions of all the various ES6 capabilities -
Javascript Features
http://jsfeatures.in/#ES6
More samples of features in ES5, ES6, and ES7 -
ES6 - The Bits You'll Actually Use
http://jamesknelson.com/es6-the-bits-youll-actually-use/
A quick tour through some of the more useful features in ES6 -
ES6 Succinctly
http://kamranahmed.info/blog/2016/04/04/es6-in-depth/
A very readable overview of the features in ES6, why you would want to use them, and examples showing what they look like.
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ES6 In Depth
https://ponyfoo.com/articles/tagged/es6-in-depth
Many articles covering each feature in greater detail -
Exploring ES6
http://exploringjs.com/es6/index.html
A full online book covering every aspect of ES6 in fine detail -
Why Do ES6 Classes Exist, and Why Now?
http://appendto.com/2016/06/why-do-es6-classes-exist-and-why-now/
Digs into some of the intricacies of ES6 classes, and some of the pros and cons around using them -
When 'not' to use arrow functions
http://rainsoft.io/when-not-to-use-arrow-functions-in-javascript/
An in-depth look at when you should stick with standard JS functions instead of arrow functions
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Powering Javascript with Generators
http://appendto.com/2016/06/powering-javascript-with-generators
A useful introduction to the generators feature in ES6. -
Metaprogramming in ES6: Symbols, Reflection, and Proxies
https://www.keithcirkel.co.uk/metaprogramming-in-es6-symbols/
https://www.keithcirkel.co.uk/metaprogramming-in-es6-part-2-reflect/
https://www.keithcirkel.co.uk/metaprogramming-in-es6-part-3-proxies/
A deep dive into three new features of ES6 that enable different ways of metaprogramming. -
Detailed overview of well-known Symbols
https://rainsoft.io/detailed-overview-of-well-known-symbols/
An in-depth look at the predefined Symbols in ES6 and what they are used for.
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"Real" Mixins with Javascript Classes"
http://justinfagnani.com/2015/12/21/real-mixins-with-javascript-classes/
An explanation of what mixins are, and how to implement them using ES6 classes -
Functional Mixins in ECMAScript 2015
http://raganwald.com/2015/06/17/functional-mixins.html
Another approach at combining mixins and classes -
Selective transpilation for modern Javascript environments
https://medium.com/@adamrackis/selective-transpilation-for-modern-javascript-environments-15bde6b75cfd
An investigation into ways to offer up differently-compiled bundles for different platforms with various levels of JS feature support.