JavaScript
Programming language
JavaScript, often abbreviated as JS, is a programming language and core technology of the Web, alongside HTML and CSS. 99% of websites use JavaScript on the client side for webpage behavior.
Web browsers have a dedicated JavaScript engine that... Wikipedia
Designed by: Brendan Eich
First appeared: December 4, 1995; 28 years ago
Paradigm: Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented
Preview release: ECMAScript 2025 / 27 March 2024; 22 days ago
Stable release: ECMAScript 2023 / June 2023; 10 months ago
Typing discipline: Dynamic, weak, duck