Document.createComment()

createComment() creates a new comment node, and returns it.

Syntax

CommentNode = document.createComment(data);

Parameters

data
A string containing the data to be added to the Comment.

Example

var docu = new DOMParser().parseFromString('<xml></xml>',  'application/xml');
var comment = docu.createComment('This is a not-so-secret comment in your document');

docu.getElementsByTagName('xml')[0].appendChild(comment);

alert(new XMLSerializer().serializeToString(docu));
// Displays: <xml><!--This is a not-so-secret comment in your document--></xml>

Specifications

Specification Status Comment
DOM
The definition of 'document.createComment' in that specification.
Living Standard

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
createCommentChrome Full support 1Edge Full support 12Firefox Full support 1IE Full support 6Opera Full support ≤12.1Safari Full support 1WebView Android Full support 1Chrome Android Full support 18Firefox Android Full support 4Opera Android Full support ≤12.1Safari iOS Full support 1Samsung Internet Android Full support 1.0

Legend

Full support  
Full support