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.
new BeforeInstallPromptEvent(type)
new BeforeInstallPromptEvent(type, eventInitDict)typeA string with the name of the event, set to beforeinstallprompt.
eventInitDict OptionalAn object with a single optional property platforms, which is an array of strings, listing the platforms on which the event will be dispatched.