JavaScript Document own method: createComment()
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The createComment() method (when applied
to the document object of the JavaScript
DOM) creates a comment node.
It
has the following syntax with the following parameters. It returns a comment
object.
document.createComment(text)
Parameter
|
Required / Optional
|
Description
|
text
|
Optional
|
The text to include in
the comment object
|
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body>
Created using JavaScript:<br><br>
<span id="element"></span>
<script>
var x = document.createElement("EM");
var txt = document.createTextNode("italic text");
var ctxt = document.createComment("here is a comment");
x.appendChild(txt);
x.appendChild(ctxt);
document.getElementById("element").appendChild(x);
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedJavaScriptMethodDomCreateComment() {
return !!document.createComment;
} |
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