From f005af54e4983658e3ae504111885921c4dca383 Mon Sep 17 00:00:00 2001
From: Andrew Plummer <plummer.andrew@gmail.com>
Date: Thu, 31 Jan 2013 12:01:34 -0600
Subject: [PATCH] event: Stricter type checking in trigger - Fixes #13360 -
 Closes gh-1153

Squashed commit of the following:

commit 5935a362c75ecef04d5ec9775cbcaf2165921e8d
Author: Andrew Plummer <plummer.andrew@gmail.com>
Date:   Fri Feb 1 02:40:42 2013 +0900

    Using "hasOwnProperty" to check for direct properties "type" and
    "namespace" on events before triggering.
---
 src/event.js       |  4 ++--
 test/unit/event.js | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/event.js b/src/event.js
index 3d085d2ef..4681140be 100644
--- a/src/event.js
+++ b/src/event.js
@@ -207,8 +207,8 @@ jQuery.event = {
 		var handle, ontype, cur,
 			bubbleType, special, tmp, i,
 			eventPath = [ elem || document ],
-			type = event.type || event,
-			namespaces = event.namespace ? event.namespace.split(".") : [];
+			type = core_hasOwn.call( event, "type" ) ? event.type : event,
+			namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
 
 		cur = tmp = elem = elem || document;
 
diff --git a/test/unit/event.js b/test/unit/event.js
index b252a4654..c3239f902 100644
--- a/test/unit/event.js
+++ b/test/unit/event.js
@@ -2674,3 +2674,17 @@ test( "Check order of focusin/focusout events", 2, function() {
 	input.off();
 });
 
+test( "String.prototype.namespace does not cause trigger() to throw (#13360)", function() {
+	expect( 1 );
+	var errored = false;
+
+	String.prototype.namespace = function() {};
+
+	try {
+		jQuery("<p>").trigger("foo.bar");
+	} catch( e ) {
+		errored = true;
+	}
+	equal( errored, false, "trigger() did not throw exception" );
+	delete String.prototype.namespace;
+});
-- 
2.39.5