HTML 5 Standard Attributes
HTML tags can have attributes. The special attributes for each tag are
listed under each tag description. The attributes listed
here are the core and language attributes that are standard for all tags (with a
few exceptions).
Differences Between HTML 4.01 and HTML 5
New attributes in HTML 5: contenteditable, contextmenu, draggable,
irrelevant, ref, registrationmark, template
HTML 4.01 attributes which are no longer supported: accesskey
Attributes
- 4: indicates if the attribute is defined in HTML 4.01
- 5: indicates if the attribute is defined in HTML 5
| Attribute |
Value |
Description |
4 |
5 |
| acceskey |
a character |
Sets a keyboard shortcut to access an element. Not supported. |
4 |
|
| class |
class_rule or style_rule |
The class of the element |
4 |
5 |
| contenteditable |
true
false |
Sets if the user is allowed to edit the element or not |
|
5 |
| contentextmenu |
id of a menu element |
Sets a context menu to an element |
|
5 |
| dir |
ltr
rtl |
Sets the text direction
|
4 |
5 |
| draggable |
true
false
auto |
Sets if the user is allowed to drag the element or not |
|
5 |
| id |
id_name |
A unique id for the element
|
4 |
5 |
| irrelevant |
true
false |
Sets if the element is rellevant or not. Irellevant elements is
not displayed |
|
5 |
| lang |
language_code |
Sets the language code
|
4 |
5 |
| ref |
url or elementID |
Referes to another document or another place on this document.
Use only if the template attribute is set |
|
5 |
| registrationmark |
registration mark |
Sets a registration mark to an element. Use only at child
elements for the <rule> element, except for the <nest> element |
|
5 |
| style |
style_definition |
An inline style definition
|
4 |
5 |
| tabindex |
number |
Sets the tab order of an element |
4 |
5 |
| template |
url or elementID |
Referes to another document, or another place on this document,
that should be applied to this element |
|
5 |
| title |
tooltip_text |
A text to display in a tool tip
|
4 |
5 |
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