HTML | DOM Table tHead Property

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

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



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<!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>

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Output:

Before clicking the button:

After clicking the button:

Supported Browsers:

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


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