Browser support
Here's the downside of the web app manifest--it’s a new technology. As such, few browsers actually support it. As of now, only newer versions of Android Webview and Chrome for Android have full support.
I'm predicting that support will come soon to all newer browsers, but where does that leave us for the moment?
In short, there are ways to activate similar functionality on older browsers. In this chapter, we'll cover using a web app manifest (for those of you on newer browsers, and to prepare you for the future) and a polyfill for iOS devices.
If you’re interested in covering other devices, there are polyfills available, such as ManUp (https://github.com/boyofgreen/manUp.js/). What these polyfills do is that they take the ...
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