From ed5dbf1b2b8187b6939ab10d75573118d346f970 Mon Sep 17 00:00:00 2001
From: Chris Ziogas <ziogas_chr@hotmail.com>
Date: Mon, 4 Nov 2013 19:09:48 +0200
Subject: Update affix properly on scrollspy speedy scroll to top of page
 #11310

Fix scrollspy.js so as affix is updated properly when user scrolls fast
to top of page.

A fix for issue #11310.
---
 js/scrollspy.js | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'js')

diff --git a/js/scrollspy.js b/js/scrollspy.js
index 19ed6fcd5..cc52e153a 100644
--- a/js/scrollspy.js
+++ b/js/scrollspy.js
@@ -84,6 +84,10 @@
       return activeTarget != (i = targets.last()[0]) && this.activate(i)
     }
 
+    if (activeTarget && scrollTop <= offsets[0]) {
+      return activeTarget != (i = targets.first()[0]) && this.activate(i)
+    }
+
     for (i = offsets.length; i--;) {
       activeTarget != targets[i]
         && scrollTop >= offsets[i]
-- 
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