Add a try/catch to handle the exception thrown by unloaded iframes in…

… IE. Fixes #4280.
jquery · Dec 10, 2009 · b846ad4ca060a100dec3ace5711f96a083bc4ac3 · b846ad4
1 parent 9d8bd16
commit b846ad4ca060a100dec3ace5711f96a083bc4ac3
Unified Split

Showing with 4 additions and 1 deletion.

+4 −1 src/event.js
diff --git a/src/event.js b/src/event.js
@@ -896,7 +896,10 @@ jQuery( window ).bind( 'unload', function() {
 	for ( var id in jQuery.cache ) {
 		// Skip the window
 		if ( id != 1 && jQuery.cache[ id ].handle ) {
-			jQuery.event.remove( jQuery.cache[ id ].handle.elem );
+			// Try/Catch is to handle iframes being unloaded, see #4280
+			try {
+				jQuery.event.remove( jQuery.cache[ id ].handle.elem );
+			} catch(e) {}
 		}
 	}
 });