Fix error when window.onerror is not defined

Automattic · Feb 4, 2016 · f705bb0 · f705bb0
1 parent 473a7e8
commit f705bb0
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/client/catch-js-errors.js b/client/catch-js-errors.js
@@ -76,7 +76,9 @@
 			// set up handler to POST errors
 			window.onerror = debounce( function( message, scriptUrl, lineNumber, columnNumber, error ) {
 				sendErrorsToApi( message, scriptUrl, lineNumber, columnNumber, error );
-				savedWindowOnError();
+				if ( savedWindowOnError ) {
+					savedWindowOnError();
+				}
 			}, 100 );
 		}
 	}