Content scripts
Injects a small badge into every web page you visit.
Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: content script, background service worker · Styling: CSS
Create this project
npx extension@latest create my-content --template content
cd my-content
npm install
npm run dev
Files in this template
- extension.config.js
- src/background.js
- src/content/scripts.js
- src/content/styles.css
- src/images/icon.png
- src/manifest.json
Source on GitHubDocumentation
extension.devDocumentation for extension.dev