runtime.OnInstalledReason

The reason that the runtime.onInstalled event is being dispatched.

Type

Values of this type are strings. Possible values are:

"install"
The extension was installed.
"update"
The extension was updated to a new version.
"browser_update"
The browser was updated to a new version.
"shared_module_update"
Another extension, which contains a module used by this extension, was updated.

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
OnInstalledReason
Yes
Uses 'chrome_update' instead of 'browser_update'.
14
Only supports 'install' and 'update'.
45
?
Yes
Uses 'chrome_update' instead of 'browser_update'.
14
Only supports 'install' and 'update'.
?
?
48
?
?
?

Note: This API is based on Chromium's chrome.runtime API. This documentation is derived from runtime.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/runtime/OnInstalledReason