Online References

1. MDN: JavaScript referencethe JavaScript reference serves as a repository of facts about the JavaScript language. The entire language is described here in detail.

Blogs/News

1. 2ality – JavaScript and moreDr. Axel Rauschmayer blog about JavaScript, web development and mobile computing and more
2. Mozilla Hacks – the Web developer blog

Inspirational

1. Douglas Crockford
2. Axel Rauschmayer @twitter
3. getify(Kyle Simpson) @twitter
4. Rich Harris - Rethinking reactivity

youtube channels

1. Traversy Media features online web development and programming tutorials for all of the latest web technologies from the building blocks of HTML, CSS & JavaScript to frontend frameworks like React and Vue to backend technologies like Node.js, Python and PHP
2. LearnCode.academy100% FREE Web Development tutorials, web site design tutorials and more. Including, but not limited to:HTML, CSS, JavaScript, CSS Layouts, Responsive Design, React.js, Node.js, Angular.js, Docker, Dev Ops, Server Administration, Deployment Strategies.
3. This Dot Media - the youtube channel of This Dot Media
4. NDC ConferencesNDC is one of the world's largest independent software conferences covering pretty much everything you need to know within software development.

Free JavaScript books

1. You Don't Know JS (book series)by Kyle Simpson
2. JavaScript books by Dr. Axel Rauschmayerjust a must reed :) free books collection
3. Learning JavaScript Design Patterns a free book from Addy Osmani
4. Eloquent JavaScriptthe famous book from Marijn Haverbeke, available free to read online
5. JSbooksbig collection of mostly free JavaScript books

Exercises, Quizes

1. JSchallengerprovides a variety of JavaScript exercises, including coding tasks, coding challenges, lessons, and quizzes.
2. JavaScript Exercises@w3schools.comYou can test your JavaScript skills with W3Schools' Exercises.
3. JavaScript Exercises, Practice, Solution @w3resource.comоще повече примери и задачи (с решения) от w3resource.com (да не се бърка с w3schools.com)
4. nodeschool.io - javascripting workshopLearn JavaScript by adventuring around in the terminal.
5. codewarsImprove your development skills by training with your peers on code kata that continuously challenge and push your coding practice.
6. 7 Days of JavaScript in HackerRankHackerRank is an online platform featuring competitive coding, programming, and technical assessments. Used by many companies to asses
7. jsisweird.comQuiz on "weird" (quirky) JS syntax
8. JavaScript - Exercises, Practice, Solution @w3resource.com

JSON

• JSONPlaceholderfake Online REST API for Testing and Prototyping
• jsonblob.comJSON Blob was created to help parallelize client/server development.
• myjson.comA simple JSON store for your web or mobile app