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HTML ondurationchange 事件属性

❮ HTML 事件属性

示例

提醒视频时长已更改

<script>
function myFuncion() {
  alert("视频时长已更改");
}
</script>

<video ondurationchange="myFunction()">
亲自试一试 »

下方还有更多“亲自试一试”示例。


定义和用法

当指定音频/视频的时长数据发生更改时,会发生 durationchange 事件。

注意:加载音频/视频时,时长将从“NaN”更改为音频/视频的实际时长。

在音频/视频的加载过程中,以下事件会按顺序发生

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

浏览器支持

表格中的数字指定了完全支持该事件的第一个浏览器版本。

事件
durationchange 9.0

语法

<element ondurationchange="script">

属性值

描述
script 时长更改时要运行的脚本

技术细节

支持的 HTML 标签 <audio> 和 <video>
支持的 JavaScript 对象 音频、视频

更多示例

示例

提醒音频时长已更改

<script>
function myFuncion() {
  alert("音频时长已更改");
}
</script>

<audio ondurationchange="myFunction()">
亲自试一试 »

❮ HTML 事件属性

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