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HTML onprogress 属性


定义和用法

The onprogress 属性定义了一个脚本,当浏览器正在下载指定的音频/视频时运行。

在音频/视频加载过程中,以下事件按顺序发生

  1. onloadstart
  2. ondurationchange
  3. onloadedmetadata
  4. onloadeddata
  5. onprogress
  6. oncanplay
  7. oncanplaythrough

适用

The onprogress 属性是 事件属性 的一部分,可以在以下元素上使用

元素 事件
<audio> progress
<video> progress

示例

音频示例

当音频文件正在下载时运行 "myFunction"

<audio onprogress="myFunction()">
尝试一下 »

视频示例

当视频正在下载时运行 "myFunction"

<video onprogress="myFunction()">
尝试一下 »

浏览器支持

The onprogress 属性对每个元素具有以下浏览器支持

元素
audio 9.0
video 9.0

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