Show HN: Weekend Project, Built a Vanilla JavaScript Online Code Editor (2022)
https://codeeverywhere.ca/post.php?id=73&title=Weekend-Project:-Online-Code-Editor(original write-up from late 2022, never shared it, pre vibe coding)
Over the weekend I wanted to understand how code editors work under the hood, so I built a lightweight, standalone online JavaScript editor using only HTML, CSS, and vanilla JavaScript—no libraries, no frameworks, no plugins.
Live demo: https://editor.codeeverywhere.ca
Github: https://github.com/codeeverywhereca/codeeditor
Fully open source - MIT License