X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=src%2Ftraversing.js;h=90601df55cddfeb8d2e535674f132d1f0d8b787a;hp=e86883d90095094fd4a64753c13e7154fc89cae3;hb=2e2d5e9db5ee9886644d75954d327e6d284e2da8;hpb=948c0dfffcf077ed71e4712b38a33d06ea63264c

diff --git a/src/traversing.js b/src/traversing.js
index e86883d..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 ) {
@@ -51,7 +58,7 @@ jQuery.fn.extend({
 	filter: function( selector ) {
 		return this.pushStack( winnow(this, selector, true), "filter", selector );
 	},
-	
+
 	is: function( selector ) {
 		return !!selector && jQuery.filter( selector, this ).length > 0;
 	},
@@ -69,7 +76,7 @@ jQuery.fn.extend({
 					selector = selectors[i];
 
 					if ( !matches[selector] ) {
-						matches[selector] = jQuery.expr.match.POS.test( selector ) ? 
+						matches[selector] = jQuery.expr.match.POS.test( selector ) ?
 							jQuery( selector, context || this.context ) :
 							selector;
 					}
@@ -92,7 +99,7 @@ jQuery.fn.extend({
 			return ret;
 		}
 
-		var pos = POS.test( selectors ) ? 
+		var pos = POS.test( selectors ) ?
 			jQuery( selectors, context || this.context ) : null;
 
 		for ( i = 0, l = this.length; i < l; i++ ) {
@@ -113,10 +120,10 @@ jQuery.fn.extend({
 		}
 
 		ret = ret.length > 1 ? jQuery.unique(ret) : ret;
-		
+
 		return this.pushStack( ret, "closest", selectors );
 	},
-	
+
 	// Determine the position of an element within
 	// the matched set of elements
 	index: function( elem ) {
@@ -196,8 +203,13 @@ 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(",") );
 	};
 });
 
@@ -226,7 +238,7 @@ jQuery.extend({
 			jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
 			jQuery.find.matches(expr, elems);
 	},
-	
+
 	dir: function( elem, dir, until ) {
 		var matched = [],
 			cur = elem[ dir ];