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[PWA] Check Online Status by using the Navigatoronline API

Source: Internet
Author: User
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Even if you had your application fully cached, you couldn ' t perform any external request without internet connection. That's why in order to build a offline-capable application, you must know when it ' s actually offline.

This lesson shows the Navigatoronline API and Online/offline events on order to disable the functionality T o Send messages of the application.

    this. Online = navigator.online    window.addeventlistener (' online ', () + = (This  True)    window.addeventlistener (' Offline ', () = = {      thisfalse     })

[PWA] Check Online Status by using the Navigatoronline API

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