BatteryManager.onbatteryhealthchange

Specifies an event listener to receive batteryhealthchange events. These events occur when the battery health state is updated.

Syntax

battery.onbatteryhealthchange = funcRef

Where battery is a BatteryManager object, and funcRef is a function to be called when the batteryhealthchange event occurs.

Example

HTML Content

<div id="health">(battery health unknown)</div>

JavaScript Content

navigator.getBattery().then(function(battery) {

battery.onbatteryhealthchange = batteryhealthchange();

function batteryhealthchange() {

document.querySelector('#health').textContent = battery.health;

}

});