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HTML | DOM Ol type Property
  • Last Updated : 12 Feb, 2019

The DOM Ol type Property is used to set or return the type attribute in an ordered list. This attribute defines the kind of marker to be used in the list items.

Syntax:

  • It is used to return the type property.
    olObject.type
  • It is used to set the type property.
    olObject.type = "1|a|A|i|I"

Property Values:

  • 1: This is the default value. It defines the list items in decimal number.(1, 2, 3, 4 .).
  • a: It defines the list items in alphabetically ordered lowercase letters .(a, b, c, d …)
  • A: It defines the list items in alphabetically ordered uppercase letters.(A, B, C, D ..)
  • i: It defines the list items in lowercase roman number order.(i, ii, iii, iv, v, vi …)
  • I: It defines the list items in uppercase roman number order.(I, II, III, IV, V, VI ..)

Return Value: It returns a string value which represents the kind of marker used in the ordered list.

Example-1: HTML Program that illustrate how to set the type Property.






<!DOCTYPE html> 
<html
    <head
        <title>dom ol type Property</title
    </head
    <body
        <h1 style ="color:green;">GeeksforGeeks</h1
        <h2 style="color:green;">DOM ol type Property</h2
        <p>List of all computer Subjects are</p
        <ol id="GFG"
            <li>Data Structures</li
            <li>Operating System</li
            <li>Python programming</li
            <li>DBMS</LI
            <li>Computer Network</li
        </ol
        <button onclick="myGeeks()">Submit</button>
  
        <!-- Script to set the type of list -->
        <script>
          function myGeeks()  {
            var x = document.getElementById("GFG").type = "a";
          }
        </script>
    </body
</html>                                 

Output:
Before clicking on the button :

After clicking on the button :

Example-2 : HTML Program that illustrate how to return the type Property.




<!DOCTYPE html> 
<html
    <head
        <title>Dom ol type Property</title
    </head
    <body
        <h1 style ="color:green;">GeeksforGeeks</h1
        <h2 style="color:green;">DOM ol type Property</h2
        <p>List of all computer Subjects are</p
        <ol id="GFG" type="I"
            <li>Data Structures</li
            <li>Operating System</li
            <li>python programming</li
            <li>DBMS</li
            <li>Computer Network</li
        </ol
        <button onclick="myGeeks()">Submit</button>
        <p id="sudo" style="font-size:25px;color:green;"></p>
  
        <!-- Script to get the type of list -->
        <script>
          function myGeeks()  {
            var x = document.getElementById("GFG").type;
            document.getElementById("sudo").innerHTML = 
                        "The type of Ordered list:" + x;
          }
        </script>
    </body
</html>                                 

Output:

Before clicking on the button:

After clicking on the button:

Supported Browsers: The browser supported by DOM ol type Property are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari
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