Javascript Info
The Modern JavaScript Tutorial was created in 2007 by Ilya Kantor, and regularly updated since then. New chapters were added, outdated ones - removed, to stay fresh. The PDF version is about 1300 pages, starting from the beginning, and then to advanced topics.
https://javascript.info/
Eloquent Javascript
This is a book about JavaScript, programming, and the wonders of the digital. Written by Marijn Haverbeke.
https://eloquentjavascript.net/
