The tags not supported in html5 are: 1. acronym, used to define acronyms, which can be replaced by abbr; 2. basefont, which can be replaced by css styles; 3. applet, which can be replaced by object; 4. dir , defines the directory list, which can be replaced by ul; 5. big, defines large text, etc.

The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.
Unsupported tags in html5
Extended knowledge: Unsupported attributes
Many expressive attributes have also been removed by the new specification, as follows:The above is the detailed content of What are the tags that are not supported in html5?. For more information, please follow other related articles on the PHP Chinese website!
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