Function getWindow

2.1.1/test/jquery-2.1.1.js:8899–8901

* Gets a window from an element

( elem )

 * Gets a window from an element
 */
function getWindow( elem ) {
	return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
}

jQuery.offset = {
	setOffset: function( elem, options, i ) {