Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

HTML ondurationchange 属性


定义和用法

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

注意: 当加载音频/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,以下事件将按此顺序发生

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

适用对象

ondurationchange 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> durationchange
<video> durationchange

示例

音频示例

当音频准备开始播放时运行“myFunction”

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

视频示例

当视频准备开始播放时运行“myFunction”

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

浏览器支持

以下是对每个元素的 ondurationchange 属性的浏览器支持

元素
audio 9.0
video 9.0

×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
[email protected]

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
[email protected]

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.