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Documentation Index

Fetch the complete documentation index at: https://extension.js.org/llms.txt

Use this file to discover all available pages before exploring further.

JavaScript template preview

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Create the project

npx extension@latest create my-extension --template=javascript

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What you get

A clean ES modules baseline with no compile step. The template wires up manifest.json, popup, and content script entry points so you can run extension dev and start iterating immediately. Choose this template when you want the smallest possible setup, or when you plan to add tooling later only as needed.

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Source

Browse the full source on GitHub: extension-js/examples/javascript.