PHP前端开发

如果用户的偏好设置没有指示其他曲目更合适,如何识别应启用该曲目在HTML中?

百变鹏仔 3个月前 (09-21) #HTML
文章标签 曲目

如果您为视频提供两个字幕轨道,请使用默认属性来标识要启用的轨道。

示例

您可以尝试以下代码来实现轨道的默认属性 -

<!DOCTYPE HTML><html>   <body>      <video width = "300" height = "200" controls autoplay>         <source src = "/html5/foo.ogg" type = "video/ogg" />         <source src = "/html5/foo.mp4" type = "video/mp4" />         <track src = "subtitles_en.vtt" kind = "subtitles" srclang = "en" label = "English">         <track src = "subtitles_ru.vtt" kind = "subtitles" srclang = "ru" label = "Russia" default>         Your browser does not support the video element.      </video>   </body></html>