The reason that the
runtime.onInstalled event is being dispatched.
Values of this type are strings. Possible values are:
- The extension was installed.
- The extension was updated to a new version.
- The browser was updated to a new version.
- Another extension, which contains a module used by this extension, was updated.
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The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.