HTML Lists - GeeksforGeeks

09 Dec, 2021
In this article, we will know the HTML List, along with understanding its types, various ways to implement them, through the example. 
A list is a record of short pieces of related information or used to display the data or any information in web pages in the ordered or unordered form. For instance, to purchase the items, we need to prepare a list that can either be ordered or unordered list which helps us to organize the data & easy to find the item. Please refer to the HTML <li> type Attribute article for the various types of attributes that can be used with the ordered & unordered list.
Example: The below example illustrates the use of the unordered & ordered list in HTML.
HTML
<!DOCTYPE html><html>  <head>    <title>GeeksforGeeks</title></head>  <body>    <h2>Welcome To GeeksforGeeks Learning</h2>    <h5>List of available courses</h5>    <ul>        <li>Data Structures & Algorithm</li>        <li>Web Technology</li>        <li>Aptitude & Logical Reasoning</li>        <li>Programming Languages</li>    </ul>    <h5>Data Structures topics</h5>    <ol>        <li>Array</li>        <li>Linked List</li>        <li>Stacks</li>        <li>Queues</li>        <li>Trees</li>        <li>Graphs</li>    </ol></body>  </html>
Output:
HTML List
Supported Tags: These tags are used in HTML listing.
HTML <ul> Tag
HTML <ol> Tag
HTML <dl> Tag
The HTML Unordered List: An unordered list starts with the “ul” tag. Each list item starts with the “li” tag. The list items are marked with bullets i.e small black circles by default.
Syntax:
<ul> list of items </ul>
Attribute: This tag contains two attributes which are listed below: 
compact: It will render the list smaller.
type: It specifies which kind of marker is used in the list.
Note: The <ul> attributes are not supported by HTML5.
Example: This example describes the unordered list.
HTML
<!DOCTYPE html><html>  <body>    <h2>Grocery list</h2>    <ul>        <li>Bread</li>        <li>Eggs</li>        <li>Milk</li>        <li>Coffee</li>    </ul></body>  </html>
Output:
Unordered List
HTML unordered list has various list item markers:
Example 1: The Disc can be used to set the list item marker to a bullet i.e default.
HTML
<!DOCTYPE html><html>  <head>    <title>HTML ul tag</title></head>  <body>    <h1>GeeksforGeeks</h1>    <h2>Unordered List with Disc Bullets</h2>    <p>GeeksforGeeks courses List:</p>      <ul style="list-style-type:disc">        <li>Geeks</li>        <li>Sudo</li>        <li>Gfg</li>        <li>Gate</li>        <li>Placement</li>    </ul></body>  </html>
Output:
Unordered List with disc item maker
Example 2: The Circle can be used to set the list item marker to a circle.
HTML
<!DOCTYPE html><html>  <body>    <h1>GeeksforGeeks</h1>    <h2>Unordered List with Circle Bullets</h2>    <p>GeeksforGeeks courses List:</p>      <ul style="list-style-type: circle">        <li>Geeks</li>        <li>Sudo</li>        <li>Gfg</li>        <li>Gate</li>        <li>Placement</li>    </ul></body>  </html>
Output:
Unordered List with circle item maker
Example 3: The Square can be used to set the list item marker to a square.
HTML
<!DOCTYPE html><html>  <body>    <h1>GeeksforGeeks</h1>    <h2>Unordered List with Square Bullets</h2>    <p>GeeksforGeeks courses List:</p>      <ul style="list-style-type: square">        <li>Geeks</li>        <li>Sudo</li>        <li>Gfg</li>        <li>Gate</li>        <li>Placement</li>    </ul></body>  </html>
Output:
Unordered List with square item maker
Example 4: It’s none that can be used to set the list item marker with no mark.
HTML
<!DOCTYPE html><html>  <body>    <h1>GeeksforGeeks</h1>    <h2>Unordered List with No Bullets</h2>    <p>GeeksforGeeks courses List:</p>      <ul style="list-style-type: none">        <li>Geeks</li>        <li>Sudo</li>        <li>Gfg</li>        <li>Gate</li>        <li>Placement</li>    </ul></body>  </html>
Output:
Unordered List with none item maker
Example: Nested Unordered List, It is used to nest the list items ie., list inside another list.
HTML
<!DOCTYPE html><html>  <body>    <h1>GeeksforGeeks</h1>    <h2>Nested Unordered List</h2>    <p>GeeksforGeeks courses List:</p>      <ul>        <li>DSA</li>        <ul>            <li>Array</li>            <li>Linked List</li>            <li>stack</li>            <li>Queue</li>        </ul>        <li>Web Technologies</li>        <ul>            <li>HTML</li>            <li>CSS</li>            <li>JavaScript</li>        </ul>        <li>Aptitude</li>        <li>Gate</li>        <li>Placement</li>    </ul></body>  </html>
 Output:
 
Nested Unordered List
HTML Ordered List: An ordered list starts with the “ol” tag. Each list item starts with the “li” tag. The list items are marked with numbers by default. 
Syntax:
<ol>
   <li>Item1</li>
   <li>Item2</li>
   <li>Item3</li>
</ol>
Attributes:
compact: It defines the list should be compacted (compact attribute is not supported HTML5. Use CSS instead.).
reversed: It defines that the order will be descending.
start: It defines that from which number or alphabet the order will start.
type: It defines which type(1, A, a, I, and i) of the order you want in your list numeric, alphabetic, or roman numbers.
Example: This example illustrates the use of the reverse attribute, control list counting & type attribute.
HTML
<!DOCTYPE html><html>  <head>    <title>HTML ol tag</title></head>  <body>    <h1 style="color: green">GeeksforGeeks</h1>    <h3>HTML ol tag</h3>    <p>reversed attribute</p>        <ol reversed>        <li>HTML</li>        <li>CSS</li>        <li>JS</li>    </ol>    <p>start attribute</p>      <ol start="5">        <li>HTML</li>        <li>CSS</li>        <li>JS</li>    </ol>    <p>type attribute</p>      <ol type="i">        <li>HTML</li>        <li>CSS</li>        <li>JS</li>    </ol></body>  </html>
Output:
Ordered List with different list style
HTML ordered list has various list item markers: The type attribute of the <ol> tag defines the type of the list item marker. 
Example 1: The list items will be numbered with numbers i.e default.
HTML
<!DOCTYPE html><html>  <body>    <h2>Ordered List with Numbers</h2>    <ol type="1">        <li>Bread</li>        <li>Eggs</li>        <li>Milk</li>        <li>Coffee</li>    </ol></body>  </html>
Output: 
Ordered List with numeric item maker
Example 2: Type=”A”, this list of items will be numbered with uppercase letters.
HTML
<!DOCTYPE html><html>  <body>    <h2>Ordered List with Letters</h2>    <ol type="A">        <li>Bread</li>        <li>Eggs</li>        <li>Milk</li>        <li>Coffee</li>    </ol></body>  </html>
Output: 
Ordered List with capital alphabetic item maker
Example 3: Type=”a”, this list items will be numbered with lowercase letters.
HTML
<!DOCTYPE html><html>  <body>    <h2>Ordered List with Lowercase Letters</h2>    <ol type="a">        <li>Bread</li>        <li>Eggs</li>        <li>Milk</li>        <li>Coffee</li>    </ol></body>  </html>
Output: 
Ordered List with small alphabetic item maker
Example 4: Type=”I”, this list items will be numbered with uppercase roman numbers.
HTML
<!DOCTYPE html><html>  <body>    <h2>Ordered List with Roman Numbers</h2>    <ol type="I">        <li>Bread</li>        <li>Eggs</li>        <li>Milk</li>        <li>Coffee</li>    </ol></body>  </html>
Output: 
Ordered List with uppercase roman numbers
Example 5: Type=”i”, this list items will be numbered with lowercase roman numbers.
HTML
<!DOCTYPE html><html>  <body>    <h2>Ordered List with Lowercase Roman Numbers</h2>    <ol type="i">        <li>Bread</li>        <li>Eggs</li>        <li>Milk</li>        <li>Coffee</li>    </ol></body>  </html>
Output:
Ordered List with lowercase roman numbers
Example 6: Nested ordered list, a nested ordered list is a list that has a list inside another list.
HTML
<!DOCTYPE html><html>  <body>    <h1>GeeksforGeeks</h1>    <h2>Nested Ordered List</h2>    <ol>        <li>Coffee</li>        <li> Tea            <ol>                <li>Black tea</li>                <li>Green tea</li>            </ol>        </li>        <li>Milk</li>    </ol></body>  </html>
Output:
Nested Ordered List
HTML Description List: A description list is a list of terms, with a description of each term. The <dl> tag defines the description list, the <dt> tag defines the term name, and the <dd> tag describes each term. Please refer to the How to add description list of an element using HTML? article for further details.
Syntax: 
<dl> Contents... </dl>
Example: This example describes the HTML Description List.
html
<!DOCTYPE html><html>  <body>    <h2>A Description List</h2>    <dl>         <dt>Coffee</dt>        <dd>- 500 gms</dd>        <dt>Milk</dt>        <dd>- 1 ltr Tetra Pack</dd>    </dl></body>  </html>
Output:
Description List
Supported Browser:
Google Chrome 94.0 & above
Microsoft Edge 93.0
Firefox 92.0 & above
Opera 78.0
Safari 14.1
IE 11.0
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