# JavaScript

> 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.[^1]

JavaScript, often abbreviated as JS, is a <programming language> and core technology of the <Web>, alongside <HTML> and [CSS](https://wiki.g15e.com/en/pages/Cascading%20Style%20Sheets.txt). 99% of websites use JavaScript on the client side for webpage behavior.[^1]

## History

- 2025-05-22 - [A brief history of JavaScript | Deno](https://deno.com/blog/history-of-javascript)

## Footnotes

[^1]: https://en.wikipedia.org/wiki/JavaScript