From a6ec8fc4e17e9622202b61ca1b1b6e044bf9fa1a Mon Sep 17 00:00:00 2001
From: Arend van Beelen <arendjr@gmail.com>
Date: Mon, 30 Dec 2013 15:33:46 +0100
Subject: [PATCH] Don't rely on :visible and :not(..., ...) selectors which
 only work with Sizzle.

---
 select2.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/select2.js b/select2.js
index 67f6b85e..b4b67efc 100644
--- a/select2.js
+++ b/select2.js
@@ -264,7 +264,8 @@ the specific language governing permissions and limitations under the Apache Lic
 
             /* make sure el received focus so we do not error out when trying to manipulate the caret.
                 sometimes modals or others listeners may steal it after its set */
-            if ($el.is(":visible") && el === document.activeElement) {
+            var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
+            if (isVisible && el === document.activeElement) {
 
                 /* after the focus is set move the caret to the end, necessary when we val()
                     just before setting focus */
@@ -1431,7 +1432,7 @@ the specific language governing permissions and limitations under the Apache Lic
 
         // abstract
         findHighlightableChoices: function() {
-            return this.results.find(".select2-result-selectable:not(.select2-disabled, .select2-selected)");
+            return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)");
         },
 
         // abstract