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HTML | DOM Heading Object

  • Last Updated : 02 Dec, 2021

The DOM Heading Object is used to represent the HTML <Heading> elements. The Heading elements is accessed by getElementById().
Properties: 

  • align: This element contains a align attribute which is used to sets or returns the alignment of the heading elements.

Syntax: 

document.getElementById("ID");

Where “id” is the ID assigned to the “headings” tag.
Example-1: 
 

html




<!DOCTYPE html>
<html>
 
<body>
    <center>
       
        <!-- assigning id to h1. -->
        <h1 id="GFG" style="color:green;">
          GeeksForGeeks
        </h1>
        <h2> DOM Headings Object </h2>
       
        <button onclick="myGeeks()">
          Submit
        </button>
       
        <script>
            function myGeeks() {
                 
                //  Accessing heading.
                var g = document.getElementById("GFG");
                g.style.color = "red";
                g.style.fontSize = "35px";
            }
        </script>
    </center>
</body>
 
</html>

Output: 
Before Clicking On Button: 
 

After Clicking On Button: 
 

Example-2:Headings Object can be created by using the document.createElement Method.
 

html




<!DOCTYPE html>
<html>
 
<body>
    <h1 id="GFG" style="color:green;">
      GeeksForGeeks
    </h1>
    <h2> DOM Headings Object </h2>
    <button onclick="myGeeks()">Submit</button>
    <script>
        function myGeeks() {
           
            //  Creating "H1" heading.
            var g = document.createElement("H1");
            var f = document.createTextNode(
              "Welcome to GeeksForGeeks");
            g.appendChild(f);
            document.body.appendChild(g);
        }
    </script>
</body>
 
</html>

Output: 
Before Clicking On Button: 
 

After Clicking On Button: 
 

Supported Browsers: The browser supported by DOM Headings Object are listed below: 
 

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

 


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