Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The BeforeInstallPromptEvent() constructor creates a new BeforeInstallPromptEvent object.
js
new BeforeInstallPromptEvent(type)
new BeforeInstallPromptEvent(type, eventInitDict)
type
A string with the name of the event, set to beforeinstallpromptevent.
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.
No specification data found for api.BeforeInstallPromptEvent.BeforeInstallPromptEvent.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
BeforeInstallPromptEvent |
44 | 79 | No | No | 31 | No | 44 | 44 | No | 32 | No | 5.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/BeforeInstallPromptEvent/BeforeInstallPromptEvent