From: Joe di Stefano <joeydi@okaypl.us>
Date: Tue, 22 Apr 2014 17:58:34 +0000 (-0400)
Subject: fix issue #4930, by only calling offset() after checking vals.length
X-Git-Tag: v5.2.3~47^2~2^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F5044%2Fhead;p=thirdparty%2Ffoundation%2Ffoundation-sites.git

fix issue #4930, by only calling offset() after checking vals.length
---

diff --git a/js/foundation/foundation.equalizer.js b/js/foundation/foundation.equalizer.js
index 3ad4f2daf..403b2fd43 100644
--- a/js/foundation/foundation.equalizer.js
+++ b/js/foundation/foundation.equalizer.js
@@ -28,10 +28,10 @@
     equalize: function(equalizer) {
       var isStacked = false,
           vals = equalizer.find('[' + this.attr_name() + '-watch]:visible'),
-          firstTopOffset = vals.first().offset().top,
           settings = equalizer.data(this.attr_name(true)+'-init');
 
       if (vals.length === 0) return;
+      var firstTopOffset = vals.first().offset().top;
       settings.before_height_change();
       equalizer.trigger('before-height-change');
       vals.height('inherit');