From c82a6685bb964627e27008e298f93ea81218265b Mon Sep 17 00:00:00 2001
From: Dave Methvin <dave.methvin@gmail.com>
Date: Sun, 27 Sep 2015 22:05:57 -0400
Subject: Event: Fix delegated radio events when arrow keys are used

Fixes gh-2343, gh-2410
Close gh-2617
---
 src/event.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/event.js b/src/event.js
index 97dbf57b2..9d06781b7 100644
--- a/src/event.js
+++ b/src/event.js
@@ -488,9 +488,10 @@ jQuery.event = {
 		// Find delegate handlers
 		// Black-hole SVG <use> instance trees (#13180)
 		//
-		// Support: Firefox
-		// Avoid non-left-click bubbling in Firefox (#3861)
-		if ( delegateCount && cur.nodeType && ( !event.button || event.type !== "click" ) ) {
+		// Support: Firefox<=42+
+		// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
+		if ( delegateCount && cur.nodeType &&
+			( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {
 
 			for ( ; cur !== this; cur = cur.parentNode || this ) {
 
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