From: Scott González <scott.gonzalez@gmail.com>
Date: Wed, 20 Aug 2014 19:54:31 +0000 (-0400)
Subject: Widget: Avoid memory leaks when unbinding events with `._off()`
X-Git-Tag: 1.11.2~39
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=b397294d42e783aacd4cc3a52bbe3aacc0f3f725;p=jquery-ui.git

Widget: Avoid memory leaks when unbinding events with `._off()`

Ref #10056
Ref gh-1319
---

diff --git a/ui/widget.js b/ui/widget.js
index d5a76c67d..6ef161591 100644
--- a/ui/widget.js
+++ b/ui/widget.js
@@ -442,8 +442,14 @@ $.Widget.prototype = {
 	},
 
 	_off: function( element, eventName ) {
-		eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace;
+		eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) +
+			this.eventNamespace;
 		element.unbind( eventName ).undelegate( eventName );
+
+		// Clear the stack to avoid memory leaks (#10056)
+		this.bindings = $( this.bindings.not( element ).get() );
+		this.focusable = $( this.focusable.not( element ).get() );
+		this.hoverable = $( this.hoverable.not( element ).get() );
 	},
 
 	_delay: function( handler, delay ) {