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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
createComment
1
12
1
6
≤12.1
1
1
18
4
≤12.1
1
1.0

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https://developer.mozilla.org/en-US/docs/Web/API/Document/createComment