X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Ftraversing.js;h=929547c11d5f28e56766a28952a3ad89af02fb83;hb=49cd9c66bf6097ced133971a82fa9bd7b2f73e1a;hp=689e90196ab27905b726a9a708390d374601829d;hpb=3e0cc815043c2425819743e907a0ce263a7ce164;p=jquery.git

diff --git a/src/traversing.js b/src/traversing.js
index 689e901..929547c 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 ) {
@@ -196,7 +203,12 @@ jQuery.each({
 	}
 }, function( name, fn ) {
 	jQuery.fn[ name ] = function( until, selector ) {
-		var ret = jQuery.map( this, fn, until );
+		var ret = jQuery.map( this, fn, until ),
+                // 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;
@@ -206,13 +218,13 @@ 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();
 		}
 
-		return this.pushStack( ret, name, slice.call(arguments).join(",") );
+		return this.pushStack( ret, name, args.join(",") );
 	};
 });