HTML | DOM Table tHead Property

Last Updated : 20 Nov, 2021

The Table tHead property is used for returning a reference to the <thead> element of a table.
The <thead> element is used for grouping the header content in an HTML table.
It returns NULL if the <thead> element is not defined.
Syntax

tableObject.tHead

Return Value : A reference to the <thead> element of the table, or null if it is not defined

Below program illustrates the Table THead() property :
Example: Alerting the innerHTML of <thead> element.

html

<!DOCTYPE html>
<html>

<head>
    <title>Table tHead Property 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 tHead Property</h2>

    
<p>To return the innerHTML of the thead 
      element for the table, double-click the 
      "Return Header" button.</p>


    <table id="Courses" align="center">
        <thead>
            <tr>
                <th>Subject</th>
                <th>Courses</th>
            </tr>
        </thead>
        <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="thead()">
      Return Header
  </button>

    <script>
        function thead() {
          
            // returning reference of tHead
            // using alert.
            alert(document.getElementById(
              "Courses").tHead.innerHTML);
        }
    </script>

</body>

</html>