HTMLMediaElement.buffered 返回一个只读 TimeRanges 对象 返回媒体已缓冲的区域
Note: This feature is not available in Web Workers.
语法
var timeRange = audioObject.buffered
返回值
length - 获得音频/视频中已缓冲范围的数量
buffered.start 开始的区域
buffered.end 结束的区域
例子
var obj = document.createElement('video');
console.log(obj.buffered); // TimeRanges { length: 0 }
console.log(obj.buffered.start(0));//第一个缓存开始的区域
console.log(obj.buffered.end(0));//第一个缓存结束的区域
参考文档
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard HTMLMediaElement.buffered |
Living Standard | No change from HTML5 |
| HTML5 HTMLMediaElement.buffered |
Recommendation | Initial definition. |
浏览器兼容性
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
buffered property |
(Yes) | 4.0 (2.0) | 9 | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
buffered property |
(Yes) | 4.0 (2.0) | (Yes) | ? | ? | ? |
也可以看看
- The interface defining it,
HTMLMediaElement.