Portrait Dr. Axel Rauschmayer
Dr. Axel Rauschmayer
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Cover of book “Exploring ES6”
Book, exercises, quizzes
(free to read online)
Logo of newsletter “ES.next news”
Newsletter (free)
Cover of book “JavaScript for impatient programmers”
Book (free online)

A list of ES6 feature lists

[2015-10-10] esnext, dev, javascript
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Complementary and indispensable: “ECMAScript 6 compatibility table” by kangax.