BatteryManager:chargingtimechange 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 chargingtimechange 事件在电池的 chargingTime 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("chargingtimechange", (event) => { })
onchargingtimechange = (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.onchargingtimechange = () => {
    document.querySelector("#level").textContent = battery.level;
    document.querySelector("#chargingTime").textContent = battery.chargingTime;
  };
});
规范
| Specification | 
|---|
| Battery Status API> # dfn-chargingtimechange>  | 
            
| Battery Status API> # dom-batterymanager-onchargingtimechange>  | 
            
浏览器兼容性
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