XHTML - Attributes


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There are few XHTML/HTML attributes which are standard and associated to all the XHTML/HTML tags. These attributes are listed here with brief description:

Core attributes

Not valid in base, head, html, meta, param, script, style, and title elements.

Attribute Value Description
class class_rule or style_rule The class of the element
Id id_name A unique id for the element
style style_definition An inline style definition
Title tooltip_text A text to display in a mouse tip

Language attributes

The lang attribute indicates the language being used for the enclosed content. The language is identified using the ISO standard language abbreviations, such as fr for French, en for English, and so on. RFC 1766 (http://www.ietf.org/rfc/rfc1766.txt) describes these codes and their formats.

Not valid in base, br, frame, frameset, hr, iframe, param, and script elements.

Attribute value Description
dir ltr | rtl Sets the text direction
lang language_code Sets the language code

Microsoft proprietary attributes

Microsoft introduced a number of new proprietary attributes with the Internet Explorer 4 and higher versions.

Attribute value Description
accesskey character Sets a keyboard shortcut to access an element
language string This attribute specifies the scripting language to be used with an associated script bound to the element, typically through an event handler attribute. Possible values might include JavaScript, jscript, vbs, and VBScript.
tabindex number Sets the tab order of an element
contenteditable boolean Allows users to edit content rendered in Internet Explorer 5.5 or greater. Possible values are true or false.
disabled boolean Elements with the disabled attribute set may appear faded and will not respond to user input. Possible values are true or false.
hidefocus on or off This proprietary attribute, introduced with Internet Explorer 5.5, hides focus on an element's content. Focus must be applied to the element using the tabindex attribute.
unselectable on or off Used to prevent content displayed in Internet Explorer 5.5 from being selected.