From 705a08bf6a8aadc043285d750629848bb47057a6 Mon Sep 17 00:00:00 2001
From: Konstantin Fedorov <konstantin@crasman.fi>
Date: Tue, 18 Jul 2017 12:41:43 +0300
Subject: [PATCH] If a query string contains a parameter which is not
 represented in a form, then elementsByName[name] is undefined, which breaks
 $.each function and any code that goes after deserialization

---
 src/jquery.deserialize.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/jquery.deserialize.js b/src/jquery.deserialize.js
index 13c00e2..511871e 100644
--- a/src/jquery.deserialize.js
+++ b/src/jquery.deserialize.js
@@ -262,11 +262,13 @@
     var elementsByName = getFieldsByName( this, options.filter );
 
     $.each( data, function( name, values ) {
-      $.each( elementsByName[ name ], function( elementIndex, element ) {
-        $.each( values, function( valueIndex, value ) {
-          update( element, elementIndex, value, valueIndex, options.change );
+      if( name in elementsByName ) {
+        $.each( elementsByName[ name ], function( elementIndex, element ) {
+          $.each( values, function( valueIndex, value ) {
+            update( element, elementIndex, value, valueIndex, options.change );
+          });
         });
-      });
+      }
     });
 
     options.complete.call( this );