X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=src%2Ftraversing.js;h=90601df55cddfeb8d2e535674f132d1f0d8b787a;hp=8187357e7ac7173255992fb3f7f794f24f0de9cc;hb=2e2d5e9db5ee9886644d75954d327e6d284e2da8;hpb=52a02383fa521c51d9996a46f03a7080dd825f11

diff --git a/src/traversing.js b/src/traversing.js
index 8187357..90601df 100644
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -6,7 +6,14 @@ var runtil = /Until$/,
 	rmultiselector = /,/,
 	isSimple = /^.[^:#\[\.,]*$/,
 	slice = Array.prototype.slice,
-	POS = jQuery.expr.match.POS;
+	POS = jQuery.expr.match.POS,
+	// methods guaranteed to produce a unique set when starting from a unique set
+	guaranteedUnique = {
+		children: true,
+		contents: true,
+		next: true,
+		prev: true
+	};
 
 jQuery.fn.extend({
 	find: function( selector ) {
@@ -134,7 +141,7 @@ jQuery.fn.extend({
 
 	add: function( selector, context ) {
 		var set = typeof selector === "string" ?
-				jQuery( selector, context || this.context ) :
+				jQuery( selector, context ) :
 				jQuery.makeArray( selector ),
 			all = jQuery.merge( this.get(), set );
 
@@ -197,7 +204,11 @@ jQuery.each({
 }, function( name, fn ) {
 	jQuery.fn[ name ] = function( until, selector ) {
 		var ret = jQuery.map( this, fn, until ),
-        args = slice.call(arguments);
+                // The variable 'args' was introduced in
+                // https://github.com/jquery/jquery/commit/52a0238
+                // to work around a bug in Chrome 10 (Dev) and should be removed when the bug is fixed.
+                // http://code.google.com/p/v8/issues/detail?id=1050
+                    args = slice.call(arguments);
 
 		if ( !runtil.test( name ) ) {
 			selector = until;
@@ -207,7 +218,7 @@ jQuery.each({
 			ret = jQuery.filter( selector, ret );
 		}
 
-		ret = this.length > 1 ? jQuery.unique( ret ) : ret;
+		ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
 
 		if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
 			ret = ret.reverse();