HTML stands for HyperText Markup Language. It’s the foundation for creating web pages and is considered a core technology of the World Wide Web, along with CSS and JavaScript. Hyper Text Markup Language was developed in 1991 by Tim Berners-Lee.
JavaScript (often abbreviated as JS) is a high-level, interpreted programming language along with HTML and CSS and is considered a center era of the World Wide Web. JS permits developers to create dynamic and interactive web pages.