Search results
Results from the WOW.Com Content Network
In HTML syntax, an attribute is added to a HTML start tag. Several basic attributes types have been recognized, including: (1) required attributes needed by a particular element type for that element type to function correctly; (2) optional attributes used to modify the default functionality of an element type; (3) standard attributes supported ...
For instance, in most HTML and XHTML document types the "type" attribute is required on the "script" element and the "alt" attribute is required for the "img" element.... This diagnostic can result from use of the EasyTimeline extension, which does not support accessibility and does not generate alternative text for visually impaired readers.
The value of the statement, in either case, is contained in the content attribute, which is the only required attribute unless charset is given. charset is used to indicate the character set of the document, and is available in HTML5. Such elements must be placed as tags in the head section of an HTML or XHTML document.
Presentation related attributes. background (Deprecated. use CSS instead.) and bgcolor (Deprecated. use CSS instead.) attributes for body (required element according to the W3C.) element. align (Deprecated. use CSS instead.) attribute on div, form, paragraph (p) and heading (h1...h6) elements
Additional attributes (such as type, which indicates the MIME type of the external entity, or the charset attribute, which indicates its encoding) Additional elements (such as link or meta in HTML and XHTML) within their own attributes; Standard pseudo-attributes in XML and XHTML (such as xml:lang, or xmlns and xmlns:* for namespace declarations).
The layout of frames is given by comma separated lists in the rows and cols HTML attributes. Standardized in HTML 4.0 Frameset, obsolete in HTML5. <frame /> (deprecated) Defines a single frame, or region, within the <frameset>. A separate document is linked to a frame using the src attribute inside the <frame /> element.
The role attribute is used to define an element's role on a page. When sectioning elements were introduced, the role attribute became used less for landmarking. This is because roles were applied by default to most sectioning elements, therefore, they were more widely used and accepted for their simplicity.
In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.