From 0c2f6e30c288438961fd6ebc580fb998515603aa Mon Sep 17 00:00:00 2001
From: David Schnur <dnschnur@gmail.com>
Date: Mon, 14 Oct 2013 06:48:09 -0700
Subject: [PATCH] Slight cleanup / optimization for #1084.

---
 jquery.colorhelpers.js | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/jquery.colorhelpers.js b/jquery.colorhelpers.js
index 61c6806..b2f6dc4 100644
--- a/jquery.colorhelpers.js
+++ b/jquery.colorhelpers.js
@@ -74,19 +74,15 @@
     // if it's "transparent"
     $.color.extract = function (elem, css) {
         var c;
-        var parentElm;
+
         do {
             c = elem.css(css).toLowerCase();
             // keep going until we find an element that has color, or
             // we hit the body or root (have no parent)
             if (c != '' && c != 'transparent')
                 break;
-            parentElm = elem.parent();
-            if (null == parentElm.get(0)) {
-                break;
-            }
-            elem = parentElm;
-        } while (!$.nodeName(elem.get(0), "body"));
+            elem = elem.parent();
+        } while (elem.length && !$.nodeName(elem.get(0), "body"));
 
         // catch Safari's way of signalling transparent
         if (c == "rgba(0, 0, 0, 0)")