Tagging the 1.5rc1 release.

[jquery.git] / src / traversing.js

diff --git a/src/traversing.js b/src/traversing.js
index 689e901..90601df 100644 (file)
--- 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 );
 
@@ -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(",") );
        };
 });