BatteryManager.charging - Web APIs 编辑

Obsolete

This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

A Boolean value indicating whether or not the device's battery is currently being charged.

Syntax

var charging = battery.charging

On return, charging indicates whether or not the battery, which is a BatteryManager object, is currently being charged; if the battery is charging, this value is true. Otherwise, the value is false.

Example

HTML Content

<div id="charging">(charging state unknown)</div>

JavaScript Content

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

    var charging = battery.charging;

    document.querySelector('#charging').textContent = charging ;
});

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• BatteryManager
• Navigator.getBattery