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HTML 音频/视频 DOM addTextTrack() 方法

❮ HTML 音频/视频 DOM 参考

示例

将新的文本轨道添加到视频

let text1 = myVid.addTextTrack("caption");
text1.addCue(new TextTrackCue("测试文本", 01.000, 04.000, "", "", "", true));
自己尝试一下 »

定义和用法

addTextTrack() 方法创建并返回一个新的 TextTrack 对象。

新的 TextTrack 对象将添加到音频/视频元素的文本轨道列表中。


浏览器支持

方法
addTextTrack() 不支持 不支持 不支持 不支持 不支持

语法

audio|video.addTextTrack(kind,label,language)

参数值

描述
kind 指定文本轨道的类型。

可能的值

  • "字幕"
  • "字幕"
  • "描述"
  • "章节"
  •  "元数据"
label 一个字符串,指定文本轨道的标签。用于为用户识别文本轨道。
language 一个两位数的语言代码,指定文本轨道的语言。
要查看所有可用的语言代码,请访问我们的 语言代码参考

技术细节

返回值 一个 TextTrack 对象,表示新的文本轨道

❮ HTML 音频/视频 DOM 参考
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