How to add video subtitles in HTML5? How does HTML5 video interact with JavaScript?

How to add video subtitles in HTML5 and interact with JavaScript There are two ways to add subtitles in HTML5: use the element to specify the subtitle file path; create a .vtt file to write the subtitle content, and use the src attribute to specify the .vtt file path in the

HTML5 How to add video subtitles

The method to add video subtitles in HTML5 is as follows:

• Use the element:

  • Creates a element and specifies the subtitle file path there.
  • Add the element to the

• Using WebVTT files:

  • Create a .vtt file and write subtitled text content.
  • Use the src attribute in the

How HTML5 videos interact with JavaScript

HTML5 videos can interact with JavaScript in the following ways:

• Event Listener:

  • Listen to video events (such as play, pause, end).
  • Use the addEventListener() method to add an event listener.

• Attribute manipulation:

  • Get or set video properties (such as currentTime, volume).
  • Use the getAttribute() and setAttribute() methods to manipulate properties.

• Method call:

  • Call video methods (such as play(), pause(), seek()).
  • Call it directly with the name of the method.

Detailed steps:

Add video subtitles:

1. Create a .vtt file or use an existing subtitle file.
2. Add a element to the

 <code class="html"><video> <track kind="subtitles" src="subtitles.vtt" default> </track></video></code>

3. Alternatively, use the src attribute to specify the .vtt file in the

 <code class="html"><video src="video.mp4"> <source src="subtitles.vtt" type="text/vtt"> </source></video></code>

Interact with JavaScript:

1. Listen to video events:

 <code class="javascript">video.addEventListener("play", function() { // 播放时执行的操作});</code>

2. Manipulate video properties:

 <code class="javascript">let volume = video.volume; // 获取音量video.volume = 0.5; // 设置音量为50%</code>

3. Call the video method:

 <code class="javascript">video.play(); // 播放视频video.seek(10); // 将视频快进到10 秒处</code>

The above is the detailed content of How to add video subtitles in HTML5? How does HTML5 video interact with JavaScript?. For more information, please follow other related articles on the PHP Chinese website!