For https://news.ycombinator.com/item?id=28574733
Assumes nodejs / npm installed.
- npx http-server
- Assuming firefox (that's what i have locally just now - but the exact same idea works in chrome etc.): 2.1 Visit about:debugging 2.2 Click this firefox 2.3 Click load temporary extension 2.4 Select the manifest.json in this dir
- Visit http://localhost:8080/ and see that the text box is populated with post titles from https://jsonplaceholder.typicode.com/posts