These books can be read online for free and they can also be purchased (paper or PDF):
- Eloquent Javascript, a book by Marijn Haverbeke (the author or codemirror).
- Exploring ES6 a book by Axel Rauschmayer.
npm-package.json: Specifics of npm's package.json handling.
Browser Compatibility Table: See what features certain browsers support.
Webpack Book: Webpack is a powerful bundler that can simplify the creation of complex web applications.
Snowpack: With Snowpack you can build modern web apps (using React, Vue, etc.) without a bundler (like Webpack, Parcel, Rollup).