From b3bf223617754e658eb62ef0f068732e719a2c82 Mon Sep 17 00:00:00 2001
From: Jacob Thornton <jacobthornton@gmail.com>
Date: Wed, 21 Mar 2012 23:59:27 -0700
Subject: filter out non matches in map

---
 js/bootstrap-scrollspy.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'js/bootstrap-scrollspy.js')

diff --git a/js/bootstrap-scrollspy.js b/js/bootstrap-scrollspy.js
index 487e6818b..bd3f10604 100644
--- a/js/bootstrap-scrollspy.js
+++ b/js/bootstrap-scrollspy.js
@@ -54,9 +54,9 @@
           .map(function () {
             var href = $(this).attr('href')
               , $href = /^#\w/.test(href) && $(href)
-            return $href
+            return ( $href
               && href.length
-              && [[ $href.position().top, href ]]
+              && [[ $href.position().top, href ]] ) || null
           })
           .sort(function (a, b) { return a[0] - b[0] })
           .each(function () {
-- 
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