<?php
define([
"../../core",
"../../selector"
// css is assumed
], function( jQuery ) {
return function( elem, el ) {
// isHidden might be called from jQuery#filter function;
// in that case, element will be second argument
elem = el || elem;
return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
};
});
?>