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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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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/runtime/OnInstalledReason