HTML Ordered Lists
The HTML <ol> tag defines an ordered list. An
ordered list can be numerical or alphabetical.
Ordered HTML List
An ordered list starts with the <ol> tag. Each list item starts with the <li> tag.
The list items will be marked with numbers by default:
Example
<ol>
<li>Coffee</li> <li>Tea</li>
<li>Milk</li>
</ol>
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Ordered HTML List - The Type Attribute
The type attribute of the <ol> tag, defines the type of the
list item marker:
Type
Description
type="1"
The list items will be numbered with numbers (default)
type="A"
The list items will be numbered with uppercase letters
type="a"
The list items will be numbered with lowercase letters
type="I"
The list items will be numbered with uppercase roman numbers
type="i"
The list items will be numbered with lowercase roman numbers
Numbers:
<ol type="1"> <li>Coffee</li>
<li>Tea</li> <li>Milk</li></ol>
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Uppercase Letters:
<ol type="A"> <li>Coffee</li>
<li>Tea</li> <li>Milk</li></ol>
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Lowercase Letters:
<ol type="a"> <li>Coffee</li>
<li>Tea</li> <li>Milk</li></ol>
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Uppercase Roman Numbers:
<ol type="I"> <li>Coffee</li>
<li>Tea</li> <li>Milk</li></ol>
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Lowercase Roman Numbers:
<ol type="i"> <li>Coffee</li>
<li>Tea</li> <li>Milk</li></ol>
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Control List Counting
By default, an ordered list will start counting from 1. If you want to start counting from a specified number, you can use the start attribute:
Example
<ol start="50"> <li>Coffee</li> <li>Tea</li>
<li>Milk</li></ol>
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Nested HTML Lists
Lists can be nested (list inside list):
Example
<ol> <li>Coffee</li> <li>Tea
<ol>
<li>Black tea</li> <li>Green tea</li>
</ol>
</li> <li>Milk</li></ol>
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Note: A list item (<li>) can contain
a new list, and other HTML elements, like images and links, etc.
Chapter Summary
Use the HTML <ol> element to define an ordered list
Use the HTML type attribute to define the numbering type
Use the HTML <li> element to define a list item
Lists can be nested
List items can contain other HTML elements
HTML List Tags
Tag
Description
<ul>
Defines an unordered list
<ol>
Defines an ordered list
<li>
Defines a list item
<dl>
Defines a description list
<dt>
Defines a term in a description list
<dd>
Describes the term in a description list
For a complete list of all available HTML tags, visit our HTML Tag Reference.
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Reference: https://www.w3schools.com/html/html_lists_ordered.asp