XHTML Attributes
There are some XHTML attributes which are standard and associated to all XHTML tags. The XHTML attributes can be divided in 3 types:
- Core Attributes
- Language Attributes
- Microsoft Proprietary Attributes
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 specifies the language which is used for the enclosed content. It uses the ISO standard language
abbreviations like fr for French, en for English, and so on.
The language attribute is 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.
| 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. |