Bluetooth: availabilitychanged event

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The availabilitychanged event fires when the Bluetooth system as a whole becomes available or unavailable to the User Agent.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("availabilitychanged", (event) => { })

onavailabilitychanged = (event) => { }

A generic Event.

To be informed when Bluetooth availability changes, you can add a handler to your Bluetooth instance using addEventListener(), like this:

Bluetooth.addEventListener("availabilitychanged", (event) => {
  const availability = event.value;
});

Alternatively, you can use the Bluetooth.onavailabilitychanged event handler property to establish a handler for the availabilitychanged event:

Bluetooth.onavailabilitychanged = (event) => {
  const availability = event.value;
};

Specification
Web Bluetooth # eventdef-bluetooth-availabilitychanged
Web Bluetooth # dom-bluetooth-onavailabilitychanged

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