From 8b89f8c59bacb1261639c909ee60fe3b856b36e4 Mon Sep 17 00:00:00 2001
From: Jörn Zaefferer <joern.zaefferer@gmail.com>
Date: Wed, 22 Apr 2015 15:50:43 +0200
Subject: Effect: Make .transfer() callback optional

Adds two tests to at least check that no exception is thrown.

Fixes #12223
Closes gh-1545
---
 ui/effect.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'ui')

diff --git a/ui/effect.js b/ui/effect.js
index cc9a91045..a946c6e8b 100644
--- a/ui/effect.js
+++ b/ui/effect.js
@@ -1505,7 +1505,9 @@ $.fn.extend({
 				})
 				.animate( animation, options.duration, options.easing, function() {
 					transfer.remove();
-					done();
+					if ( $.isFunction( done ) ) {
+						done();
+					}
 				});
 	}
 });
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