From e1c1c7fbbdc3f4061b213b62dc220adc9b71cd4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dennis=20Hern=C3=A1ndez?= <dennishernandezvargas@gmail.com>
Date: Tue, 19 Dec 2017 01:24:26 -0600
Subject: [PATCH] Fix #3271 #3290 #3255

Duplicate options when height is set or sticky extension is used
---
 src/extensions/filter-control/bootstrap-table-filter-control.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/extensions/filter-control/bootstrap-table-filter-control.js b/src/extensions/filter-control/bootstrap-table-filter-control.js
index d5ffae1d40..6ef5abff3e 100644
--- a/src/extensions/filter-control/bootstrap-table-filter-control.js
+++ b/src/extensions/filter-control/bootstrap-table-filter-control.js
@@ -40,7 +40,9 @@
     };
 
     var sortSelectControl = function (selectControl) {
+            selectControl = $(selectControl.get(selectControl.length - 1));
             var $opts = selectControl.find('option:gt(0)');
+            
             $opts.sort(function (a, b) {
                 a = $(a).text().toLowerCase();
                 b = $(b).text().toLowerCase();