Show HN: Weekend Project, Built a Vanilla JavaScript Online Code Editor (2022)

codeeverywhere.ca

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(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

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