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HTML onprogress 事件属性

❮ HTML 事件属性

示例

在视频下载时执行 JavaScript

<script>
function myFunction() {
  alert('正在下载视频');
}
</script>

<video onprogress="myFunction()">
亲自尝试 »

下面有更多“亲自尝试”示例。


定义和用法

当浏览器正在获取媒体数据(下载媒体)时,onprogress 属性会触发。

在音频/视频的加载过程中,以下事件属性会按顺序发生

  1. loadstart
  2. durationchange
  3. loadedmetadata
  4. loadeddata
  5. progress
  6. canplay
  7. canplaythrough

浏览器支持

表格中的数字指定完全支持该事件属性的第一个浏览器版本。

事件属性
onprogress 9.0

语法

<元素 onprogress="脚本">

属性值

描述
script 在 onprogress 上运行的脚本

技术细节

支持的 HTML 标签 <audio> 和 <video>

更多示例

示例

在音频下载时执行 JavaScript

<script>
function myFunction() {
  alert('正在下载音频');
}
</script>

<audio onprogress="myFunction()">
亲自尝试 »

相关页面

HTML DOM 参考资料: onprogress 事件

❮ HTML 事件属性


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