From b7d4e0e46cb2cad6f400173cd09ce44d1b8ad04e Mon Sep 17 00:00:00 2001
From: John Resig <jeresig@gmail.com>
Date: Mon, 7 Sep 2009 17:20:38 +0000
Subject: [PATCH] Added an optimization for the case where $("body") is used.

---
 src/core.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core.js b/src/core.js
index c8b5a46daa..5ccf15875c 100644
--- a/src/core.js
+++ b/src/core.js
@@ -48,6 +48,11 @@ 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;