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HTML | DOM Header Object

  • Last Updated : 30 Jun, 2021
Geek Week

The DOM header object is used to represent the HTML <header> element. The header element can be accessed by the getElementById() method.

Syntax: 

document.getElementById("id"); 

Where ‘id’ is the ID assigned to the header tag.
 

Example-1: In the below program the header element is accessed and the color of the text inside the header element is changed. 

html




<!DOCTYPE html>
<html>
<body>
<center>
        <h1 style = "color:green;" >
          GeeksForGeeks
        </h1>
 
        <h2>DOM header Object</h2>
 
        <article>
          <header id="head">
               
<p>A computer science portal for geeks.</p>
 
          </header>
        </article>
         
        <button onclick="Geeks()">Click Here!</button>
         
        <script>
        function Geeks() {
            var doc = document.getElementById("head");
            doc.style.color = "green";
        }
        </script>
</body>
</html>

Output: 
Before clicking on button: 
 



header

After clicking on button: 
 

header

Example-2: Header Object can be created by using the document.createElement method.  

html




<!DOCTYPE html>
<html>
<body>
<center>
        <h1 style = "color:green;" >
          GeeksForGeeks
        </h1>
 
        <h2>DOM header Object</h2>
 
        <button onclick="Geeks()">Click Here!</button>
        <p id="head" style="color:green;"></p>
 
        <script>
        function Geeks() {
          var x = document.createElement("HEADER");
          document.body.appendChild(x);
         
          var doc = document.createElement("H3");
          var t = document.createTextNode("A computer
          science portal for geeks.");
          doc.appendChild(t);
         
          document.getElementById("head").appendChild(doc);
        }
        </script>
</body>
</html>

Output: 
Before clicking on button: 
 

header

After clicking on button: 
 

header

Supported Browsers:

  • Google Chrome
  • Mozilla Firefox
  • Internet Explorer (after IE 8.0)
  • Safari
  • Opera

 

Attention reader! Don’t stop learning now. Get hold of all the important HTML concepts with the Web Design for Beginners | HTML  course.




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