The context for 'body' should still be document, in this case.

diff --git a/src/core.js b/src/core.js
index 2271ceb..34bab95 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -72,7 +72,8 @@ jQuery.fn = jQuery.prototype = {
                
                // The body element only exists once, optimize finding it
                if ( selector === "body" && !context ) {
-                       this.context = this[0] = document.body;
+                       this.context = document;
+                       this[0] = document.body;
                        this.selector = "body";
                        this.length = 1;
                        return this;