From 671f5a2ce21005090e0b69059799cd3dd1fbbf84 Mon Sep 17 00:00:00 2001
From: Kevin Brown <kevin@kevinbrown.in>
Date: Wed, 19 Aug 2015 20:06:09 -0400
Subject: [PATCH] Fix memory leak in AttachBody

The `$dropdownContainer` variable wasn't being cleaned up when
Select2 was destroyed, which was causing a memory leak.

This closes https://github.com/select2/select2/issues/3559.
This closes https://github.com/select2/select2/pull/3603.
---
 src/js/select2/dropdown/attachBody.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/js/select2/dropdown/attachBody.js b/src/js/select2/dropdown/attachBody.js
index e1514edb..ece55417 100644
--- a/src/js/select2/dropdown/attachBody.js
+++ b/src/js/select2/dropdown/attachBody.js
@@ -44,6 +44,12 @@ define([
     });
   };
 
+  AttachBody.prototype.destroy = function (decorated) {
+    decorated.call(this);
+
+    this.$dropdownContainer.remove();
+  };
+
   AttachBody.prototype.position = function (decorated, $dropdown, $container) {
     // Clone all of the container classes
     $dropdown.attr('class', $container.attr('class'));