Navigator：mediaCapabilities 属性
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2020年1月.
Navigator 接口的 Navigator.mediaCapabilities 只读属性返回一个 MediaCapabilities 对象，该对象可以暴露有关给定格式的解码和编码能力以及由媒体能力 API 定义的输出能力的信息。
值
一个 MediaCapabilities 对象。
示例
js
navigator.mediaCapabilities
.decodingInfo({
type: "file",
audio: {
contentType: "audio/mp3",
channels: 2,
bitrate: 132700,
samplerate: 5200,
},
})
.then((result) => {
console.log(`${result.supported ? "" : "不"}支持此配置，`);
console.log(`${result.smooth ? "" : "不"}流畅，`);
console.log(`${result.powerEfficient ? "" : "不"}节能。`);
});
规范
| Specification |
|---|
| Media Capabilities # dom-navigator-mediacapabilities |
浏览器兼容性
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