From fc7c5fcb7a5c6b9a27fd10398f6a4c52bf1c2a38 Mon Sep 17 00:00:00 2001
From: GeoSot <geo.sotis@gmail.com>
Date: Thu, 16 Dec 2021 13:25:23 +0200
Subject: [PATCH] Event-handler: initialize variable properly

---
 js/src/dom/event-handler.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/src/dom/event-handler.js b/js/src/dom/event-handler.js
index 9ab1fe3c55..49b75d4adf 100644
--- a/js/src/dom/event-handler.js
+++ b/js/src/dom/event-handler.js
@@ -284,7 +284,7 @@ const EventHandler = {
     const typeEvent = getTypeEvent(event)
     const inNamespace = event !== typeEvent
 
-    let jQueryEvent
+    let jQueryEvent = null
     let bubbles = true
     let nativeDispatch = true
     let defaultPrevented = false
@@ -319,7 +319,7 @@ const EventHandler = {
       element.dispatchEvent(evt)
     }
 
-    if (evt.defaultPrevented && typeof jQueryEvent !== 'undefined') {
+    if (evt.defaultPrevented && jQueryEvent) {
       jQueryEvent.preventDefault()
     }