ID Attribute Type
The ID Attribute Type is defined by the W3C XML 1.0 Recommendation.
Reference: *W3C - XML 1.0 - Attribute Types
Specific Attributes with Type ID
There are no Specific Attributes with type ID.
Common Attributes with Type ID
From the Core Attribute Collection:Attribute Value for Type ID
An element identifier which must be unique to the document. It may consist of any combination of letters, digits, and the four punctuation characters _:.- but must begin with a letter, a colon or an underscore
In XHTML 1.1, the only attribute of type ID is the id attribute.
Almost all elements (all excepting
base
head,
html,
meta,
script,
style,
and title)
may have an id attribute but only
the map element is required to have one.
id attributes:
- Any single element may not have more than one
idand each ID value must be unique to the document. - If compatibility is desired with HTML 4 identifiers, the ID value must match the regular expression
[a-zA-Z][a-zA-Z_:.-]*(see *HTML 4.01 - SGML basic types) - If compatibility is desired with CSS identifiers, the W3C's *CSS 2.1 - Characters and Case information should be noted.
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Copyright © Sally Maughan 2005-2009 (Page last updated on 01 Oct 2009)
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