Wrap obj.constructor test in try/catch. Thanks to bkrausz. Fixes #9897

1 files changed, 9 insertions, 4 deletions

diff --git a/src/core.js b/src/core.js
index 715d73ad3..f10d9edea 100644
--- a/src/core.js
+++ b/src/core.js
@@ -500,10 +500,15 @@ jQuery.extend({
 			return false;
 		}
 
-		// Not own constructor property must be Object
-		if ( obj.constructor &&
-			!hasOwn.call(obj, "constructor") &&
-			!hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
+		try {
+			// Not own constructor property must be Object
+			if ( obj.constructor &&
+				!hasOwn.call(obj, "constructor") &&
+				!hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
+				return false;
+			}
+		} catch ( e ) {
+			// IE8,9 Will throw exceptions on certain host objects #9897
 			return false;
 		}