X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=src%2Fselector.js;h=3e1d7115d2a82f123d2792d81be529b827c3c325;hb=a37ca9e9058243169725982e91bce60801b9857d;hp=c97ba61ff2bdc39db041f9178eb80b8cc95423ba;hpb=048fc4555f8a794239a985c63cff3f76d20d6c61;p=jquery.git

diff --git a/src/selector.js b/src/selector.js
index c97ba61..3e1d711 100644
--- a/src/selector.js
+++ b/src/selector.js
@@ -684,18 +684,15 @@ try {
 
 var sortOrder;
 
-if ( Array.prototype.indexOf ) {
-	var indexOf = Array.prototype.indexOf,
-		allSort = document.getElementsByTagName("*");
-
+if ( document.documentElement.compareDocumentPosition ) {
 	sortOrder = function( a, b ) {
-		var ret = indexOf.call( allSort, a ) - indexOf.call( allSort, b );
+		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
 		if ( ret === 0 ) {
 			hasDuplicate = true;
 		}
 		return ret;
 	};
-} else if ( document.documentElement.sourceIndex === 1 ) {
+} else if ( "sourceIndex" in document.documentElement ) {
 	sortOrder = function( a, b ) {
 		var ret = a.sourceIndex - b.sourceIndex;
 		if ( ret === 0 ) {
@@ -703,6 +700,19 @@ if ( Array.prototype.indexOf ) {
 		}
 		return ret;
 	};
+} else if ( document.createRange ) {
+	sortOrder = function( a, b ) {
+		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
+		aRange.selectNode(a);
+		aRange.collapse(true);
+		bRange.selectNode(b);
+		bRange.collapse(true);
+		var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
+		if ( ret === 0 ) {
+			hasDuplicate = true;
+		}
+		return ret;
+	};
 }
 
 // Check to see if the browser returns elements by name when