window.navigator.onLine is the simplest approach to return the online status of the browser. It is not guaranteed to be accurate. Most implementations of the API watch for changes in the local network interface to determine if your application is online or not. But what if your network interface is up, but your router is down ☝️. window.navigator.onLine will return true and it means that you are online and that is WRONG. To handle that case we make XMLHttpRequest and listen to change in the network state by events window.ononline and window.onoffline to be notified immediately 😎📡 Checking if the internet is accessible (not local connection only) is
The Custom Event Dispatcher provides the ability to communicate inside your application by dispatching events and listening to them. It also runs polyfill for Internet Explorer 9 and higher.
Notification Service provides a simple show/hide message. It is based on CustomeElements and may be integrated with any framework. Push notification works through CustomEvent.
Change detection mechanisms based on MutationObserver interface. It provides the ability to watch for changes being made to the DOM tree. You may connect node elements in One-Time, One-Way & Two-Way binding.
