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HTML | DOM TableData headers Property

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  • Difficulty Level : Basic
  • Last Updated : 19 May, 2021

The HTML | DOM TableData headers Property is used to set or return the value of a headers attribute. The headers attribute is used to specify the a table cell containing Header information for the current data cell.
Syntax: 
 

  • It returns the headers property. 
     
tabledataObject.headers
  • It is used to set the headers property. 
     
tabledataObject.headers = header_ids

Property Values: It contains the value i.e header_ids which specify the separated list of id’s to one or more header cell .
Return Value: It returns a string value which represents the separated list of header-list Id’s.
Example-1: This Example returns a headers Property. 
 

html




<!DOCTYPE html>
<html>
 
<head>
    <style>
        table,
        th,
        td {
            border: 1px solid green;
        }
    </style>
</head>
 
<body>
 
    <h1 style="color:green;">
            GeeksForGeeks
        </h1>
 
    <h2>
          DOM TableData Headers Property
      </h2>
 
    <table>
        <tr>
            <td id="myTd"
                headers="Geeks"
                colspan="3">
                Geeks
            </td>
            <td>For</td>
            <td>Geeks</td>
        </tr>
    </table>
    <br>
    <button onclick="myFunction()">
        Click Here!
    </button>
 
    <p id="demo"
       style="font-size:24px;
                  colorgreen;">
    </p>
 
 
    <script>
        function myFunction() {
            // Accessing Table data
            var x =
                document.getElementById(
                    "myTd").headers;
 
            document.getElementById("demo").innerHTML =
                x;
        }
    </script>
</body>
 
</html>

Output: 
Before Clicking On Button: 
 

After Clicking On Button: 
 

Example-2: This Example sets a header’s Property. 
 

html




<!DOCTYPE html>
<html>
 
<head>
    <style>
        table,
        th,
        td {
            border: 1px solid green;
        }
    </style>
</head>
 
<body>
 
    <h1 style="color:green;">
            GeeksForGeeks
        </h1>
 
    <h2>
          DOM TableData Headers Property
      </h2>
 
    <table>
        <tr>
            <td id="myTd"
                headers="Geeks"
                colspan="3">
              Geeks
          </td>
            <td>For</td>
            <td>Geeks</td>
        </tr>
    </table>
    <br>
    <button onclick="myFunction()">
        Click Here!
    </button>
 
    <p id="demo"
       style="font-size:24px;
                  colorgreen;">
    </p>
 
 
    <script>
        function myFunction() {
            // Accessing Table data
            var x =
                document.getElementById(
                    "myTd").headers = "GFG";
 
            document.getElementById("demo").innerHTML =
                "The value od the headers attribute was changed to "
            + x;
        }
    </script>
</body>
 
</html>

Output: 
Before Clicking On Button: 
 

After Clicking On Button: 
 

Supported Browsers: 
 

  • Google Chrome 
     
  • Mozilla Firefox 
     
  • Edge 
     
  • Safari 
     
  • Opera
     

 


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