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The purpose of <source> is to define multiple versions of a file, so you can specify different versions for different browsers or platforms. You can use <source> ...
2023年12月28日—ThetaginHTMLisusedtospecifymultimediafileslike,,and.Itutilizesattributeslikesrcandtype ...
实例.拥有两份源文件的音频播放器。浏览器应该选择它所支持的文件（如果有的话）：
...tag..尝试一下».实例.在标签中使用来设置不同屏幕显示的图片：.
以下示例說明了HTML中的標記：.範例1：本示例將標記與視頻媒體文件一起使用。HTMLsourceTag ...
TheHTMLtagisusedfordefiningmultimediaresourcesforandelements.Thebrowsercanmakeachoicefromthesourcebasedonmedia ...
TheHTMLtagisusedtospecifymultiplemediaresourcesonmediaelements(suchasand).Thiselementallowsyoutospecify ...
Thetagisusedtoembedsoundcontentinadocument,suchasmusicorotheraudiostreams.Thetagcontainsoneormoretagswith ...
5天前—ThispagelistsalltheHTMLelements,whicharecreatedusingtags.Theyaregroupedbyfunctiontohelpyoufindwhatyouhaveinmind ...
ThesrcattributespecifiestheURLofthemediafiletoplay.Thisattributeisrequiredwhenisusedinand.BrowserSupport.
Thetagisusedtospecifymultiplemediaresourcesformediaelements,suchasand.Thetagallowsyoutospecifyalternative ...
Thetagisanemptyelement.Itmeansthatthetagdoesnothaveanycontent,aswellasaclosingtag.ThetagisoneoftheHTML5 ...
Thetagisusedtospecifymultiplemediaresourcesformediaelements,suchas,,and.Thetagallowsyoutospecify ...
HTMLtypeAttribute.❮HTMLtag.Example.Useofthetypeattribute:
Thetagisusedtoembedvideocontentinadocument,suchasamoviecliporothervideostreams.Thetagcontainsoneormoretags ...
2022年7月19日—ThetaginHTMLisusedtoattachmultimediafileslikeaudio,videoandpictures.The,andelementscontain ...
2019年9月4日—ThetaginHTMLisusedtoattachmultimediafileslikeaudio,videoandpictures.The,andelementscontain ...
5天前—None,itisanemptyelement.Tagomission,Itmusthavestarttag,butmustnothaveanendtag.DOMinterface,HTMLSourceElement(en ...
DoingsoproperlyrequiresaddingtwoHTMLelements:theelementandtheelement.Inadditiontobasicsaboutthesetags,thisarticle ...
DoingsoproperlyrequiresaddingtwoHTMLelements:theelementandtheelement.Inadditiontobasicsaboutthesetags,thisarticle ...
2023年10月11日—TheHTMLelementspecifiesmultiplemediaresourcesforthe,theelement,ortheelement.
2021年6月7日—Itisanemptyelement,meaningthatithasnocontentanddoesnothaveaclosingtag.Itiscommonlyusedtoofferthesamemediacontent ...