From 0b6afcedd22aaffb96d3d45b9b220a16229e2f7c Mon Sep 17 00:00:00 2001
From: Dave Methvin <dave.methvin@gmail.com>
Date: Thu, 23 Dec 2010 16:21:14 -0500
Subject: When a native browser event is bubbling up the DOM, make sure that
 the correct isDefaultPrevented value is reflected by jQuery's Event object.
 Fixes #7793.

---
 src/event.js | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/event.js b/src/event.js
index fd470e718..80e2af66b 100644
--- a/src/event.js
+++ b/src/event.js
@@ -600,6 +600,12 @@ jQuery.Event = function( src ) {
 	if ( src && src.type ) {
 		this.originalEvent = src;
 		this.type = src.type;
+		// Events bubbling up the document may have been marked as prevented
+		// by a handler lower down the tree; reflect the correct value.
+		this.isDefaultPrevented =
+			(src.defaultPrevented===true ? true :
+			 src.getPreventDefault ? src.getPreventDefault() :
+			 src.returnValue===false) ? returnTrue : returnFalse;
 	// Event type
 	} else {
 		this.type = src;
-- 
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