video字幕

.vtt

• .vtt 的格式

WEBVTT

00:00:00.000 --> 00:00:12.000
第一条字幕

00:00:18.700 --> 00:00:21.500
第二条字幕

00:00:22.800 --> 00:00:26.800
第三条字幕

...

添加字幕

<video controls>
  <source src="./xxx.mp4" type="video/mp4" />
  <track default kind="subtitles" src="./en.vtt" srclang="en" label="英文" />
  <track kind="subtitles" src="./cn-ZH.vtt" srclang="cn" label="中文" />
</video>