BeforeInstallPromptEvent: BeforeInstallPromptEvent() constructor

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.

The BeforeInstallPromptEvent() constructor creates a new BeforeInstallPromptEvent object.

Syntax

js
new BeforeInstallPromptEvent(type)
new BeforeInstallPromptEvent(type, eventInitDict)

Parameters

type

A string with the name of the event, set to beforeinstallprompt.

eventInitDict Optional

An object with a single optional property platforms, which is an array of strings, listing the platforms on which the event will be dispatched.

Specifications

This feature does not appear to be defined in any specification.

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
BeforeInstallPromptEvent() constructor
Experimental Non-standard
Chrome – Full support
Chrome 44 (Release date: 2015-07-21)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 31 (Release date: 2015-08-04)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 44 (Release date: 2015-07-29)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – Full support
Opera Android 32 (Release date: 2015-09-23)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 5 (Release date: 2016-12-15)
footnote Full support
WebView Android – Full support
WebView Android 44 (Release date: 2015-07-29)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
Non-standard. Check cross-browser support before using.

See also