And that's a wrap — we hope you had fun playing with video and audio in web pages! In the next article, we'll look at other ways of embedding content on the Web, using technologies like <iframe> and <object>.
HTML<track>元素被当作媒体元素—<audio>和<video>的子元素来使用。它允许指定计时字幕(或者基于事件的数据),例如自动处理字幕。 track给媒体元素添加的数据的类型在kind属性中设置,属性值可以是subtitles,captions,descriptions,chapters或metadata。该元素指向当用户请求额外的数据时浏览器公开的包含定时文本的源文件。
The <audio> HTML element is used to embed sound content in documents. It may contain one or more audio sources, represented using the src attribute or the <source> element: the browser will choose the most suitable one. It can also be the destination for
It is a Structured Header whose value is a token with possible values audio, audioworklet, document, embed, empty, font, image, manifest, object, paintworklet, report, script, serviceworker, sharedworker, style, track, video, worker, and xslt. The following request headers are not strictly ...
The <video> HTML element embeds a media player which supports video playback into the document. You can use <video> for audio content as well, but the <audio> element may provide a more appropriate user experience.
Similar functionality can be achieved in some versions of Netscape using the<embed>tag to invoke an audio player. You can write bgsound with a self-closing tag<bgsound />. However, since this element is not part of a standard, making it XHTML-like will not make it validate. ...
See also Tag omissionNone, both the starting and ending tag are mandatory. Permitted parentsAny element that acceptsmetadata content, or any element that acceptsphrasing content. Implicit ARIA roleNo corresponding role Permitted ARIA rolesNorolepermitted...
The HTML address element supplies contact information for its nearest article or body ancestor; in the latter case, it applies to the whole document.
Web Video Text Tracks (WebVTT) are text tracks providing specific text "cues" that are time-aligned with other media, such as video or audio tracks. The WebVTT API provides functionality to define and manipulate these text tracks. The WebVTT API is prima
Web Video Text Tracks (WebVTT) are text tracks providing specific text "cues" that are time-aligned with other media, such as video or audio tracks. The WebVTT API provides functionality to define and manipulate these text tracks. The WebVTT API is pri