この記事はまだボランティアによって 日本語 に翻訳されていません。ぜひ MDN に参加して翻訳を手伝ってください！
The chargingchange event is fired when the charging attribute of the battery API has changed.
General info
- Specification
- Battery
- Interface
- Event
- Bubbles
- No
- Cancelable
- No
- Target
BatteryManager- Default Action
- None
Properties
The event callback doesn't receive any event objects, but properties can be read from the BatteryManager object received from the navigator.getBattery method.
| Property | Type | Description |
BatteryManager.charging |
boolean | The system's battery charging status. Returns true if the battery is charging, if the state of the system's battery is not determinable, or if no battery is attached to the system. Returns false if the battery is discharging. Read only. |
Example
navigator.getBattery().then(function(battery) {
console.log("Battery charging? " + (battery.charging ? "Yes" : "No"));
battery.addEventListener('chargingchange', function() {
console.log("Battery charging? " + (battery.charging ? "Yes" : "No"));
});
});