HTML | DOM comment() constructor

The comment() constructor in HTML DOM is used to return the newly created comment object with an optional parameter as string.


comment1 = new Comment(); // Create empty comment
comment2 = new Comment(String);

Parameters: This constructor accept single parameter string which holds the comment text.

Example: This example creating a comment object with “This is a comment” as a parameter.





<!DOCTYPE html>
        HTML | DOM comment() constructor
        a:focus {
            background-color: magenta;
<body style="text-align:center;">
    <h1 style="color:green;"
    <h2>HTML comment object</h2>
    <button onclick="getcomment ();">
        Get comment
    <p id='comment'></p>
    <script type="text/javascript">
        function getcomment() {
            let comment = 
                new Comment("This is a comment");



  • Before Click the Button:
  • Click the button and see results on the console:

Supported Browsers: The browsers supported by HTML DOM comment() constructor are listed below:

  • Google Chrome
  • Firefox 24
  • Opera

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