1 9 3 10 11 this.four = 4; 6; this.five = 5; 7; this.eight this.ten this.nine 11 12 this.parentNode "ownerDocument override" "13 ancestor" "14 ancestor" 13 15 16 "16 later" 17 "18 field" "19 field" for (var i in this) ; 20; for (var i in this) ; 21; Mozilla Bug 372769