jQuery objects have a default length of 0. Simplifies $() some.

diff --git a/src/core.js b/src/core.js
index a71656d..267bc10 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -39,15 +39,12 @@ jQuery.fn = jQuery.prototype = {
                var match, elem, ret;
 
                // Handle $(""), $(null), or $(undefined)
-               if ( !selector ) {
-                       this.length = 0;
-                       return this;
-               }
+               if ( !selector ) return this;
 
                // Handle $(DOMElement)
                if ( selector.nodeType ) {
                        this[0] = selector;
-                       this.length = 1;
+                       this.length++;
                        this.context = selector;
                        return this;
                }
@@ -68,17 +65,16 @@ jQuery.fn = jQuery.prototype = {
                                } else {
                                        elem = document.getElementById( match[3] );
 
-                                       // Handle the case where IE and Opera return items
-                                       // by name instead of ID
-                                       if ( elem && elem.id !== match[3] ) {
-                                               return rootjQuery.find( selector );
-                                       }
-
-                                       // Otherwise, we inject the element directly into the jQuery object
-                                       this.length = elem ? 1 : 0;
                                        if ( elem ) {
+                                               // Handle the case where IE and Opera return items
+                                               // by name instead of ID
+                                               if ( elem.id !== match[3] ) return rootjQuery.find( selector );
+
+                                               // Otherwise, we inject the element directly into the jQuery object
+                                               this.length++;
                                                this[0] = elem;
                                        }
+
                                        this.context = document;
                                        this.selector = selector;
                                        return this;
@@ -117,6 +113,9 @@ jQuery.fn = jQuery.prototype = {
        // The current version of jQuery being used
        jquery: "@VERSION",
 
+       // The default length of a jQuery object is 0
+       length: 0,
+
        // The number of elements contained in the matched element set
        size: function() {
                return this.length;