Links
Silent Teacher
A wonderful tour to explore the world of programming.
COMPUTE IT
A marvellous course to practice loops and conditions.
freeCodeCamp
Great tutorials on HTML, CSS, JavaScript and much more. Ideal for self-learning.
Khan Academy
A fantastic academy. Programming courses (and much more!) from easy to hard.
MDN Web Docs
Mozilla's Web Docs provides an excellent reference and learning platform for HTML, CSS and JavaScript.
Douglas Crockford
Douglas Crockford is the JavaScript evangelist. Especially his videos distributed in the web ( YouTube, Microsoft, Vimeo, ...) are worth seeing.
The Modern JavaScript Tutorial
Comprehensive, well structured JavaScript-Tutorial. Free to read with little ads.
Exploring JS: JavaScript books for programmers
Advanced books about the JavaScript core by Dr. Axel Rauschmayer. Free to read and for purchase.
Eloquent JavaScript
This book by Marijn Haverbeke covers the core language of JavaScript, the use of JavaScript in the browser and the basics of Node. js. Free to read and for purchase.
JavaScript Allongé, the "Six" Edition
A book by Reg "raganwald" Braithwaite about the core language of JavaScript. For professional developers. Free to read and for purchase.
Learning JavaScript Design Patterns
A book by Addy Osmani. For advanced developers. Free to read and for purchase.
Project Euler
Great collection of challenging tasks in the field of mathematics and computer science.