HTML DOM Ol reversed Property


The HTML DOM Ol reversed property sets/returns whether the order of list should be descending or ascending (default).

Following is the syntax −

Returning boolean value - true/false

olObject.reversed

Setting reversed to booleanValue

olObject.reversed = booleanValue

Here, “booleanValue” can be the following −

booleanValue
Details
true
It defines that order willbe descending
false
It defines that order willbe ascending which is default

Let us see an example of Ol reversed property −

Example

 Live Demo

<!DOCTYPE html>
<html>
<head>
<title>HTML DOM Ol reversed</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-reversed</legend>
         <h3>Students</h3>
         <ol id="orderList">
            <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.reversed = true;
      divDisplay.textContent = 'List Corrected';
   }
</script>
</body>
</html>

Output

Before clicking ‘Correct List’ button −

After clicking ‘Correct List’ button −

Updated on: 29-Oct-2019

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