JavaScript
About this book
JavaScript (JS) is a programming language and core technology of the Web, alongside HTML and CSS. Created by Brendan Eich in 1995, it is maintained by Ecma Internationals TC39 technical committee, with related Web APIs maintained by W3C and WHATWG. As of 2025, JavaScript is the most widely used programming language on GitHub. However, TypeScript, which is a version of JavaScript that is strict about types and is statically typed, overtook JavaScript on GitHub by August 2025.
Reader Profile
· 110 pages · ≈ 2 h 02 m · Moderate
How long does it take to read JavaScript?
About ≈ 2 h 02 m — 110 pages, assuming roughly 250 words per page at 225 words per minute.
How many pages is JavaScript?
110 pages in its most-read edition.
What genre is JavaScript?
It sits on the Science shelves.
Is JavaScript in the public domain?
No — it is still under copyright.
Who wrote JavaScript?
Charlie Masterson.