X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=src%2Ftraversing.js;h=1342c59599e97c03e8b4a64ddda339636ace268c;hb=0790989eb60df9df884837c05f90bab14df0704e;hp=669c70a509a2809961aa754d03428633d51da7db;hpb=87869b8b81380617cfad8788799ee40de0e3e9c4;p=jquery.git

diff --git a/src/traversing.js b/src/traversing.js
index 669c70a..1342c59 100644
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -51,13 +51,13 @@ jQuery.fn.extend({
 		return this.pushStack( jQuery.winnow(this, selector, true), "filter", selector );
 	},
 
-	closest: function( selector ) {
+	closest: function( selector, context ) {
 		var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null,
 			closer = 0;
 
 		return this.map(function(){
 			var cur = this;
-			while ( cur && cur.ownerDocument ) {
+			while ( cur && cur.ownerDocument && cur !== context ) {
 				if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) {
 					jQuery.data(cur, "closest", closer);
 					return cur;
@@ -78,7 +78,17 @@ jQuery.fn.extend({
 	},
 
 	eq: function( i ) {
-		return this.slice( i, +i + 1 );
+		return i === -1 ?
+			this.slice( i ) :
+			this.slice( i, +i + 1 );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
 	},
 
 	slice: function() {
@@ -120,4 +130,4 @@ jQuery.each({
 
 		return this.pushStack( jQuery.unique( ret ), name, selector );
 	};
-});
\ No newline at end of file
+});