+ \r
+ // Added after #2811\r
+ equals( $([]).add([window,document,document.body,document]).length, 3, "Pass an array" );\r
+ equals( $(document).add(document).length, 1, "Check duplicated elements" );\r
+ equals( $(window).add(window).length, 1, "Check duplicated elements using the window" );\r
+ ok( $([]).add( document.getElementById('form') ).length >= 13, "Add a form (adds the elements)" );\r