From ba825252b157396c989217d982efe482f35c32ee Mon Sep 17 00:00:00 2001
From: Kieran Brahney <kieran@supportpal.com>
Date: Tue, 23 Jun 2020 12:27:16 +0100
Subject: [PATCH] Replaced $.isFunction

---
 src/core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.js b/src/core.js
index 0af71985c..c69898534 100644
--- a/src/core.js
+++ b/src/core.js
@@ -1320,7 +1320,7 @@ $.extend( $.validator, {
 
 		// Evaluate parameters
 		$.each( rules, function( rule, parameter ) {
-			rules[ rule ] = $.isFunction( parameter ) && rule !== "normalizer" ? parameter( element ) : parameter;
+			rules[ rule ] = typeof parameter === "function" && rule !== "normalizer" ? parameter( element ) : parameter;
 		} );
 
 		// Clean number parameters