HTML | DOM Table createCaption( ) Method

Last Updated : 20 Nov, 2021

The Table createCaption() method is used in a table to create <caption> which is empty. It doesn’t work if there is already a <caption> element. In such a case, the createCaption() method returns the existing one.
Syntax

tableObject.createCaption()

Return Value : The newly created (or an existing) <caption> element

Below program illustrates the Table createCaption() method :
Example-1: Creating a <caption> element.

html

<!DOCTYPE html>
<html>
 
<head>
    <title>Table createCaption()
      Method in HTML</title>
    <style>
        table,
        td {
            border: 1px solid green;
        }
         
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Table createCaption() Method</h2>
 
     
<p>To create a Caption for the table,
      double-click the "Add Caption" button.
  </p>
 
 
    <table id="Courses"
           align="center">
        <tr>
            <td>Java</td>
            <td>Fork Java</td>
        </tr>
        <tr>
            <td>Python</td>
            <td>Fork Python</td>
        </tr>
        <tr>
            <td>Placements</td>
            <td>Sudo Placement</td>
        </tr>
 
    </table>
    <br>
 
    <button ondblclick="Add_Caption()">
      Add Caption
  </button>
 
    <script>
        function Add_Caption() {
           
           // Creating caption.
           var MyTable =
            document.getElementById(
              "Courses").createCaption();
             
          // Caption value.
          MyTable.innerHTML =
              "<strong>GeeksforGeeks</strong>";
        }
    </script>
 
</body>
 
</html>