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JavaScript - create comment node dynamically
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In this article, we would like to show you how to create a comment node dynamically using JavaScript.
Quick solution:
let comment = document.createComment('Comment text...');
Practical example
In this example, we use document.createComment() to create a comment dynamically and then append it to the document.body. When we log the body.outerHTML in the console, you can see the comment tag at the end of the body section.
// ONLINE-RUNNER:browser;
<!doctype html>
<html>
<body>
<script>
const comment = document.createComment('This is example comment...');
document.body.appendChild(comment);
console.log(document.body.outerHTML);
</script>
</body>
</html>