10 most common HTML5 questions and answers

1. What is the new HTML5 document type and character set?

The HTML5 document type is simple:

<! DOCTYPE HTML >

2. How to embed audio in HTML5?

HTML5 supports MP3, Wav, and OGG-formatted audio, here's a simple example of embedding audio in a Web page:

<controls>    <srctype = "Audio/mpeg" >     Your Browser does ' NT support audio embedding feature. </ Audio >

3, how to embed video in HTML5?

Like audio, HTML5 supports videos in MP4, WebM, and OGG formats, and here's a simple example:

<widthheightcontrols>  <  src type = "Video/mp4″ > Your     Browser does ' NT support video embedding feature. </ Video >

One thing to emphasize here is that controls= "true", controls= "controls", is the wrong use in HTML5.

For defining multiple data sources you can write this:

<Videowidth= "450″Height= "340″Controls>     <Sourcesrc= "T.mp4″type= "Video/mp4″>     <Sourcesrc= "T.ogg"type= "Video/ogg"></Video>

Specify a caption file or other file that contains text for the video element

<Videowidth= "450″Height= "340″Controls>     <Sourcesrc= "T.mp4″type= "Video/mp4″>     <Sourcesrc= "T.ogg"type= "Video/ogg">     < TrackKind= "Subtitles"label= "中文版"src= "T_EN.VTT"Srclang= "en"default></ Track>     < TrackKind= "Subtitles"label= "Arabic"src= "T_AR.VTT"Srclang= "AR"></ Track></Video>

4. What media labels are available in addition to audio and VIDEO,HTML5?

HTML5 provides strong support for multimedia, with the following tags supported in addition to audio and video tags:

<embed> tags define embedded content, such as plugins.

<typesrc= "Test.mov">

5. What is the use of HTML5 Canvas elements?

The Canvas element is used to draw a graphic on a Web page, and the element tag is powerful in that it can be graphically manipulated directly on HTML

<IDwidthheight= "100″> </canvas>

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10 most common HTML5 questions and answers