HTML DOM TableData headers Property

The HTML DOM TableData headers property returns and modify the value of headers attribute of a table in an HTML document.


Following is the syntax −

1. Returning headers


2. Adding colspan

object.headers = “headers_ids”

Let us see an example of headers property −


 Live Demo

<!DOCTYPE html>
   body {
      color: #000;
      background: lightblue;
      height: 100vh;
      text-align: center;
   table {
      margin: 2rem auto;
      width: 400px;
   .btn {
      background: #db133a;
      border: none;
      height: 2rem;
      border-radius: 2px;
      width: 40%;
      display: block;
      color: #fff;
      outline: none;
      cursor: pointer;
      margin: 1rem auto;
   .show {
      font-size: 1.2rem;
<h1>DOM TableData headers Property Demo</h1>
<table border="2">
<th>Roll No.</th>
<td headers="Name">John</td>
<td headers="Rollno">071717</td>
<td headers="Name: Jane" id="jane-data">Jane</td>
<td headers="Rollno">031717</td>
<button onclick="get()" class="btn">Show Headers Value</button>
<div class="show"></div>
   function get() {
      document.querySelector(".show").innerHTML = document.querySelector('#jane-data').headers;


This will produce the following output:

Click on “Show Headers Value” button to show the value of headers attribute of Jane row.

Updated on: 20-Jun-2020


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