Most of the books are free to read online! You can also buy offline versions.
“ES” stands for “ECMAScript” (ES6 is ECMAScript 6, etc.).
- Past versions: ES1, ES2, ES3, ES5/ES5.1, ES6 (a.k.a. ES2015), ES2016–ES2020
- Current version: ES2022 (June 2022)
- It’s a pragmatic language (based on OCaml), with various “impure” escape hatches (output, mutable state, etc.).
About the author
Praise for Axel’s books