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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
Description | |
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Not supported in HTML 5. Define acronym. | |
Not supported in HTML 5. Please use CSS instead. | |
Not supported in HTML 5. Define large text. | |
Not supported in HTML 5. Define centered text. | |
Not supported in HTML 5. Define directory list. | |
Not supported in HTML 5. | |
Not supported in HTML 5. Define sub-window (frame). | |
Not supported in HTML 5. Define a single-line input field. | |
Not supported in HTML 5. Define the noframe part. | |
Not supported in HTML 5. Define strikethrough text. | |
Not supported in HTML 5. Define strikethrough text. | |
Not supported in HTML 5. Define typewriter text. | |
Not supported in HTML 5. Define underlined text. | |
Not supported in HTML 5. Define preformatted text. |
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!