HTML DOM Ol Object

HTML Web Development Front End Technology

The HTML DOM Ol Object in HTML represents the <ol> element.

Creating a <ol> element

var olObject = document.createElement(“OL”)

Here, “olObject” can have the following properties −

Property	Description
reversed	Itsets/returns whether the order of list should be descending orascending (default)
start	Itsets/returns the value of the start attribute of an ordered list
type	Itsets/returns the value of the type attribute of an ordered list

Let us see an example of Ol start property −

Example

Live Demo

<!DOCTYPE html>
<html>
<head>
<title>HTML DOM Ol start</title>
<style>
   form {
      width:70%;
      margin: 0 auto;
      text-align: center;
   }
   * {
      padding: 2px;
      margin:5px;
   }
   input[type="button"] {
      border-radius: 10px;
   }
   ol{
      width: 30%;
      margin: 0 auto;
   }
</style>
</head>
<body>
   <form>
      <fieldset>
         <legend>HTML-DOM-Ol-start</legend>
         <h3>Students</h3>
         <ol id="orderList" start='2'>
            <li>Zampa</li>
            <li>Rajesh</li>
            <li>Eden</li>
            <li>Bina</li>
            <li>Alex</li>
            <li>Adam</li>
         </ol>
         <input type="button" onclick="reverseNumbering()" value="Correct list">
         <div id="divDisplay"></div>
      </fieldset>
   </form>
<script>
   var divDisplay = document.getElementById("divDisplay");
   var studentList = document.getElementById("orderList");
   function reverseNumbering() {
      studentList.start = '1';
      divDisplay.textContent = 'List Corrected';
   }
</script>
</body>
</html>