| Contents ExampleAn ordered HTML list: <ol> <li>Red</li> <li>Blue</li> <li>Green</li> </ol> | Browser Support
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1. Definition and Usage
The <ol> tag defines an ordered list.
An ordered list can be numerical or alphabetical.
Use the <li> tag to define list items.
2. Tips and Notes
Tip: For unordered list, use the <ul> tag.
Tip: Use CSS to define the type of list.
3. Differences Between HTML and XHTML
None
4. Optional Attributes
DTD indicates in which HTML 4.01/XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.
| Attribute | Value | Description | DTD |
|---|---|---|---|
| compact | compact | Deprecated. Use styles instead. Specifies that the list should render smaller than normal | TF |
| start | number | Deprecated. Use styles instead. Specifies the start value of an ordered list | TF |
| type | 1 A a I i | Deprecated. Use styles instead. Specifies the kind of marker to use in the list | TF |
5. Standard Attributes
The <ol> tag supports the following standard attributes:
| Attribute | Value | Description | DTD |
|---|---|---|---|
| class | classname | Specifies a classname for an element | STF |
| dir | rtl ltr | Specifies the text direction for the content in an element | STF |
| id | id | Specifies a unique id for an element | STF |
| lang | language_code | Specifies a language code for the content in an element | STF |
| style | style_definition | Specifies an inline style for an element | STF |
| title | text | Specifies extra information about an element | STF |
| xml:lang | language_code | Specifies a language code for the content in an element, in XHTML documents | STF |
6. Event Attributes
The <ol> tag supports the following event attributes:
| Attribute | Value | Description | DTD |
|---|---|---|---|
| onclick | script | Script to be run on a mouse click | STF |
| ondblclick | script | Script to be run on a mouse double-click | STF |
| onmousedown | script | Script to be run when mouse button is pressed | STF |
| onmousemove | script | Script to be run when mouse pointer moves | STF |
| onmouseout | script | Script to be run when mouse pointer moves out of an element | STF |
| onmouseover | script | Script to be run when mouse pointer moves over an element | STF |
| onmouseup | script | Script to be run when mouse button is released | STF |
| onkeydown | script | Script to be run when a key is pressed | STF |
| onkeypress | script | Script to be run when a key is pressed and released | STF |
| onkeyup | script | Script to be run when a key is released | STF |
