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Progressive Web Apps

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Updates

Stay up to date on new web platform features, changes to Chrome and more.

Public and private class fields

Several proposals expand the existing JavaScript class syntax with new functionality. This article explains the new public class fields syntax in V8 v7.2 and Chrome 72, as well as the upcoming private class fields syntax.

Badging for App Icons

The Badging API is a new web platform API that allows installed web apps to set an application-wide badge, shown in an operating-system-specific place associated with the application, such as the shelf or home screen. Badging makes it easy to subtly notify the user that there is some new activity that might require their attention, or it can be used to indicate a small amount of information, such as an unread count.

Registering as a Share Target with the Web Share Target API

The Web Share Target API allows installed web apps to register with the underlying OS as a share target to receive shared content from either the Web Share API or system events, like the OS-level share button.

New in Chrome 71

Chrome 71 makes displaying relative time values easier with the new Intl.RelativeTimeFormat() API. You can specify which side of the text the underline should appear on for text that flows vertically. And using the speech synthesis API now requires user activation before your computer starts talking to you! Let’s dive in and see what’s new for developers in Chrome 71!

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