From 5544d31bb3b7b0959ef51f7c78c7e06c8f5b354f Mon Sep 17 00:00:00 2001
From: Mehdi Achour <machour@gmail.com>
Date: Mon, 21 Jan 2019 13:21:47 +0100
Subject: [PATCH] Fix #17049: Use var instead of let (#17055)

---
 framework/assets/yii.activeForm.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/assets/yii.activeForm.js b/framework/assets/yii.activeForm.js
index 4f79b77..1d524cc 100644
--- a/framework/assets/yii.activeForm.js
+++ b/framework/assets/yii.activeForm.js
@@ -325,7 +325,7 @@
             // client-side validation
             $.each(data.attributes, function () {
                 this.$form = $form;
-                let $input = findInput($form, this);
+                var $input = findInput($form, this);
 
                 if ($input.is(":disabled")) {
                     return true;