X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fselector.js;h=de8830aa1da8625afc15412b128b3ac67a96017b;hb=67d445a703491c90a7d3c46be34bcdceb4d1c896;hp=64222c3f6638b144159f76cf7bcdc21c75033035;hpb=67089eedf6f84acd9c16ea2a6dadadf7b13a7c84;p=jquery.git

diff --git a/src/selector.js b/src/selector.js
index 64222c3..de8830a 100644
--- a/src/selector.js
+++ b/src/selector.js
@@ -144,6 +144,8 @@ Sizzle.uniqueSort = function(results){
 			}
 		}
 	}
+
+	return results;
 };
 
 Sizzle.matches = function(expr, set){
@@ -703,6 +705,13 @@ var sortOrder;
 
 if ( document.documentElement.compareDocumentPosition ) {
 	sortOrder = function( a, b ) {
+		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
+			if ( a == b ) {
+				hasDuplicate = true;
+			}
+			return 0;
+		}
+
 		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
 		if ( ret === 0 ) {
 			hasDuplicate = true;
@@ -711,6 +720,13 @@ if ( document.documentElement.compareDocumentPosition ) {
 	};
 } else if ( "sourceIndex" in document.documentElement ) {
 	sortOrder = function( a, b ) {
+		if ( !a.sourceIndex || !b.sourceIndex ) {
+			if ( a == b ) {
+				hasDuplicate = true;
+			}
+			return 0;
+		}
+
 		var ret = a.sourceIndex - b.sourceIndex;
 		if ( ret === 0 ) {
 			hasDuplicate = true;
@@ -719,6 +735,13 @@ if ( document.documentElement.compareDocumentPosition ) {
 	};
 } else if ( document.createRange ) {
 	sortOrder = function( a, b ) {
+		if ( !a.ownerDocument || !b.ownerDocument ) {
+			if ( a == b ) {
+				hasDuplicate = true;
+			}
+			return 0;
+		}
+
 		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
 		aRange.selectNode(a);
 		aRange.collapse(true);
@@ -1036,6 +1059,8 @@ jQuery.sibling = function(n, elem){
 	return r;
 };
 
+jQuery.unique = Sizzle.uniqueSort;
+
 return;
 
 window.Sizzle = Sizzle;