jQuery unwrap() Method
Example
Remove the parent element of all <p> elements:
  
    $("button").click(function(){
     $("p").unwrap();
 });
  
Try it Yourself »
Definition and Usage
The unwrap() method removes the parent element of the selected elements.
Syntax
$(selector).unwrap()
  Try it Yourself - Examples
Wrap 
and unwrap an element
How to toggle between wrapping and unwrapping an element.

