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BatteryManager.onchargingchange

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

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

Syntax

battery.onchargingchange = funcRef

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

Example

HTML Content

<div id="level">(battery level unknown)</div>
<div id="chargingTime">(charging time unknown)</div>

JavaScript Content

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

   battery.onchargingchange = chargingChange();

   function chargingChange() {
      document.querySelector('#level').textContent = battery.level;
      document.querySelector('#chargingTime').textContent = battery.chargingTime;
   }
});

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
onchargingchange
38
79
43-52
No
25
No
38
38
43-52
25
No
3.0

See also

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/BatteryManager/onchargingchange