BatteryManager:chargingchange 事件
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
BatteryManager
接口的 chargingchange
事件在电池的 charging
属性更新时触发。
语法
在 addEventListener()
等方法中使用事件名称,或设置事件处理器属性。
js
addEventListener("chargingchange", (event) => { })
onchargingchange = (event) => { }
事件类型
一个通用的 Event
。
示例
HTML
html
<div id="level">(电池电量未知)</div>
<div id="chargingTime">(电池充电时间未知)</div>
JavaScript
js
navigator.getBattery().then((battery) => {
battery.onchargingchange = () => {
document.querySelector("#level").textContent = battery.level;
document.querySelector("#chargingTime").textContent = battery.chargingTime;
};
});
规范
Specification |
---|
Battery Status API # ref-for-dfn-chargingchange-1 |
Battery Status API # dom-batterymanager-onchargingchange |
浏览器兼容性
BCD tables only load in the browser