jQuery offsetParent() Method
Example
Set the background color of the closest positioned parent element of the <p> element:
$("button").click(function(){
$("p").offsetParent().css("background-color", "red");
});
Try it Yourself »
Definition and Usage
The offsetParent() method returns the first positioned parent element.
Tip: An element can be positioned with jQuery, or with the CSS position property (relative, absolute, or fixed).
Syntax
$(selector).offsetParent()