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HTML | DOM Table deleteTHead() Method
  • Last Updated : 19 Feb, 2019

The Table deleteTHead() method is used for deleting a <thead> element and its content from a table.
It can be only used if a <thead> element already exists.

Syntax

tableObject.deleteTHead()

Below program illustrates the Table deleteTHead() method :
Example-1: Deleting a <thead> element.




<!DOCTYPE html>
<html>
  
<head>
    <title>Table deleteTHead() 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 deleteTHead() Method</h2>
  
    <p>To create a Header for the table, 
      double-click the "Add Header" button.</p>
  
    <p>To delete the Header from the table,
      double-click the "Delete Header" 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_Head()">
      Add Header
  </button>
  
    <button ondblclick="Delete_Head()">
      Delete Header
  </button>
  
    <script>
        function Add_Head() {
            var MyTable = 
            document.getElementById("Courses");
            
            // Creating table.
            var MyHeader = 
                MyTable.createTHead();
            var MyRow = MyHeader.insertRow(0);
            var MyCell = MyRow.insertCell(0);
            MyCell.innerHTML = 
              "<strong>GeeksforGeeks.</strong>";
        }
  
        function Delete_Head() {
            
            // Delete thead.
            document.getElementById(
              "Courses").deleteTHead();
        }
    </script>
  
</body>
  
</html>

Output:

  • Before clicking the “Add Header” button:
  • After clicking the “Add Header” button:
  • After clicking the “Delete Header” button:

Supported Browsers:

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



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