Alphabetical List of Elements
This section contains a listing of all elements and attributes in the HTML 4.01 and XHTML Recommendations, as well as a few nonstandard elements.
Readers are advised to watch for these labels on elements and attributes:
- Deprecated
Elements and attributes marked as Deprecated are being phased out of HTML—usually in favor of Cascading Style Sheets—and are discouraged from use. All deprecated elements and attributes have been removed from the Strict versions of HTML and XHTML.
- Required
Attributes marked as Required must be included in the element for the markup to be valid.
- XHTML only
Attributes marked XHTML only apply only to documents marked up in XHTML. Other minor differences between HTML and XHTML are noted similarly.
- Nonstandard
Nonstandard elements and attributes are not included in any version of the HTML or XHTML Recommendations but are well-supported by browsers.
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