Added support for .eq(-N), .first(), and .last(). Fixes #2164 and #4188.

[jquery.git] / src / traversing.js

diff --git a/src/traversing.js b/src/traversing.js
index f46820f..1342c59 100644 (file)
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -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() {