Element#clone(deep) → Element

• deep (Boolean) – Whether to clone element's descendants as well.

Returns a duplicate of element.

A wrapper around DOM Level 2 Node#cloneNode, Element.clone cleans up any expando properties defined by Prototype.

Example

<div class="original">
  <div class="original_child"></div>
</div>
 var clone = $('original').clone();
clone.className;
// -> "original"
clone.childElements();
// -> []
 var deepClone = $('original').clone(true);
deepClone.className;
// -> "original"
deepClone.childElements();
// -> [div.original_child]

This method can be called either as an instance method or as a generic method. If calling as a generic, pass the instance in as the first argument.