An event for notifying the site that the browser is about to show an install banner, that also gives the site the ability to both suppress the banner, as well as show it later at a time of their choosing. Related: https://www.chromestatus.com/features/4540065577435136

Demos

• https://killer-marmot.appspot.com/web/
• https://github.com/GoogleChrome/samples/tree/gh-pages/app-install-banner

Documentation

• https://github.com/slightlyoff/AppInstallImprovements/blob/master/explainer.md#controlling-installation
• https://developer.mozilla.org/en-US/docs/Web/API/Window#Event_handlers
• https://developer.mozilla.org/en-US/docs/Web/API/Window/onbeforeinstallprompt
• https://developer.mozilla.org/en-US/docs/Web/API/BeforeInstallPromptEvent

Specification

Specification link

Status: Specification being incubated in a Community Group

Status in Chromium

Blink components: Blink

Implementation status: Enabled by default (tracking bug)

Consensus & Standardization

• Firefox: Positive
• Safari: No signal
• Web Developers: Positive

Owners

• owencm@chromium.org
• mgiuca@chromium.org
• talo@chromium.org
• slightlyoff@chromium.org
• benwells@chromium.org

Last updated on 2020-11-09