From f93a255a2f16f6fa8d52ab2c00ceee880bc44159 Mon Sep 17 00:00:00 2001
From: Alexander Skvortsov <sasha.skvortsov109@gmail.com>
Date: Sun, 9 Aug 2020 23:41:39 -0400
Subject: [PATCH] fix: ConfirmDocumentUnload

---
 js/src/common/components/ConfirmDocumentUnload.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/src/common/components/ConfirmDocumentUnload.js b/js/src/common/components/ConfirmDocumentUnload.js
index 774ed9806..50b4d899f 100644
--- a/js/src/common/components/ConfirmDocumentUnload.js
+++ b/js/src/common/components/ConfirmDocumentUnload.js
@@ -24,11 +24,11 @@ export default class ConfirmDocumentUnload extends Component {
   oncreate(vnode) {
     super.oncreate(vnode);
 
-    $(window).on('beforeunload', this.handler);
+    $(window).on('beforeunload', this.handler.bind(this));
   }
 
   onremove(vnode) {
-    $(window).off('beforeunload', this.handler);
+    $(window).off('beforeunload', this.handler.bind(this));
   }
 
   view(vnode) {