This functionality is Sneak Peek status. This means that the APIs may change. We welcome your feedback, ideas, and code, but please use caution if you use this new functionality.
A special "shallow copy" operation suitable for nondestructively merging trees of components. jQuery.extend in shallow mode will neglect
null valued properties.
||(Object) The destination for the copy|
||(Object) The object to copy|
|Object|| The filled-in
In this example, description here...