funcunit/site/node_modules/can-simple-dom/lib/simple-dom/document/comment.js

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import Node from './node';

function Comment(text, ownerDocument) {
  this.nodeConstructor(8, '#comment', text, ownerDocument);
}

Comment.prototype._cloneNode = function() {
  return this.ownerDocument.createComment(this.nodeValue);
};

Comment.prototype = Object.create(Node.prototype);
Comment.prototype.constructor = Comment;
Comment.prototype.nodeConstructor = Node;

export default Comment;