data should not add expando unless actually adding data

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index b1dde53..3b11ed8 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -52,11 +52,6 @@ jQuery.fn = jQuery.prototype = {
                        return this;
                }
 
-               // $("body"): Shortcut for quickly finding the body element
-               if ( selector === "body" && !context && document.body ) {
-                       selector = document.body;
-               }
-
                // Handle $(DOMElement)
                if ( selector.nodeType ) {
                        this.context = this[0] = selector;
@@ -553,9 +548,12 @@ function evalScript( i, elem ) {
        }
 }
 
+// Mutifunctional method to get and set values to a collection
+// The value/s can be optionally by executed if its a function
 function access( elems, key, value, exec, fn ) {
        var l = elems.length;
        
+       // Setting many attributes
        if ( typeof key === "object" ) {
                        for (var k in key) {
                                access(elems, k, key[k], exec, fn);
@@ -563,7 +561,9 @@ function access( elems, key, value, exec, fn ) {
                return elems;
        }
        
+       // Setting one attribute
        if (value !== undefined) {
+               // Optionally, function values get executed if exec is true
                exec = exec && jQuery.isFunction(value);
                
                for (var i = 0; i < l; i++) {
@@ -574,6 +574,7 @@ function access( elems, key, value, exec, fn ) {
                return elems;
        }
        
+       // Getting an attribute
        return l ? fn(elems[0], key) : null;
 }