Allows a website to declaratively prompt users to install a web app. The element optionally accepts two attributes which allows installation of content from a different origin.
The web is currently unable to install web apps. The capability must be baked into the platform to allow for websites to distribute content without relying on proprietary protocols or invoking platform specific stores. A web install element democratizes application distribution and allows developers to broaden the reach of their content.
Samples: https://liahiscock.github.io/PWA/WebInstall/element-store.html https://kbhlee2121.github.io/pwa/web-install/only-elements.html
Explainers: https://aka.ms/installelement