Environment Variables

Replaces your new tab page with a page showing the extension's environment values.

Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: new tab, background service worker · Styling: CSS · Level: beginner

Create this project

npx extension@latest create my-new-env --template new-env
cd my-new-env
npm install
npm run dev

Files in this template

  • extension.config.js
  • src/background.js
  • src/images/icon.png
  • src/manifest.json
  • src/newtab/index.html
  • src/newtab/scripts.ts
  • src/newtab/styles.css

Source on GitHubDocumentation

extension.devDocumentation for extension.dev