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Glean logo

Glean.js is a modern approach for a Telemetry library aimed at JavaScript environments. It is part of the Glean project.


All documentation is available online:

The Glean Book

If you are using Glean.js in your project, this is the place to go. It contains user guides on getting started and other topics, as well as reference to Glean APIs.

Glean.js developer documentation

If you want to contribute to the Glean.js code base this is the place to go.

Glean.js internal reference

If you are looking for detailed documentation on the Glean APIs (internal or external) this is the place to go.

This documentation is auto generated from the doc comments throughout the Glean.js code base and the Glean book should be preferred over this documentation whenever possible.


To contact us you can:


The Glean logo artwork was contributed by Diana Ciufo. It's licensed under MPL.


This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/

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