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HTML | DOM Table createTHead() Method

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  • Last Updated : 20 Nov, 2021
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The Table createTHead() method is used for creating an empty <thead> element and adding it to the table. It does not create a new <thead> element if a <thead> element already exists. In such a case, the createThead() method returns the existing one . 
The <thead> element must have one or more then one <tr> tags inside.
Syntax 
 

tableObject.createTHead()

Return Value : It returns new created or an existing <thead> element

Below program illustrates the Table createTHead() method : 
Example: Creating a <thead> element. 
 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
      Table createTHead() 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 createTHead() Method</h2>
 
     
<p>To create a header for a table,
      double-click the "Add 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="table_head()">
      Add Header
  </button>
 
    <script>
        function table_head() {
           
           
            var MyTable =
                document.getElementById("Courses");
           
            // Create heading of table.
            var MyHeader = MyTable.createTHead();
            var MyRow = MyHeader.insertRow(0);
            var MyCell = MyRow.insertCell(0);
            MyCell.innerHTML =
              "<strong>Available On GeeksforGeeks.</strong>";
        }
    </script>
 
</body>
 
</html>


Output:
Before clicking the button: 
 

After clicking the button: 
 

Supported Browsers: 
 

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

 


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