X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fselector.js;h=de8830aa1da8625afc15412b128b3ac67a96017b;hb=b7ccc58afec145120e8e675cf8fd30e9ea97f2a3;hp=c6fc0255afcd4a783592c51806ca7df0c2ffc19e;hpb=48e9a3999596c2ee1f4470a78637de8f27e3b219;p=jquery.git

diff --git a/src/selector.js b/src/selector.js
index c6fc025..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){
@@ -551,7 +553,7 @@ var Expr = Sizzle.selectors = {
 			} else if ( name === "not" ) {
 				var not = match[3];
 
-				for ( i = 0, l = not.length; i < l; i++ ) {
+				for ( var i = 0, l = not.length; i < l; i++ ) {
 					if ( not[i] === elem ) {
 						return false;
 					}
@@ -661,7 +663,7 @@ for ( var type in Expr.match ) {
 }
 
 var makeArray = function(array, results) {
-	array = Array.prototype.slice.call( array );
+	array = Array.prototype.slice.call( array, 0 );
 
 	if ( results ) {
 		results.push.apply( results, array );
@@ -674,7 +676,7 @@ var makeArray = function(array, results) {
 // Perform a simple check to determine if the browser is capable of
 // converting a NodeList to an array using builtin methods.
 try {
-	Array.prototype.slice.call( document.documentElement.childNodes );
+	Array.prototype.slice.call( document.documentElement.childNodes, 0 );
 
 // Provide a fallback method if it does not work
 } catch(e){
@@ -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;