From c110a9ac210dfde07dbdc605f4eb9110fee55b9c Mon Sep 17 00:00:00 2001
From: Brittney Exline <bexline@edx.org>
Date: Tue, 12 Dec 2017 11:58:00 -0500
Subject: [PATCH] ENT-800 Fix IE11 Broken Submit button on Registration Page

---
 lms/static/js/student_account/views/RegisterView.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lms/static/js/student_account/views/RegisterView.js b/lms/static/js/student_account/views/RegisterView.js
index e9536a6db9..56fe8d5726 100644
--- a/lms/static/js/student_account/views/RegisterView.js
+++ b/lms/static/js/student_account/views/RegisterView.js
@@ -179,7 +179,7 @@
 
                             // Show each input tip
                             $(this).children().each(function() {
-                                if (inputTipSelectorsHidden.includes($(this).attr('class'))) {
+                                if (inputTipSelectorsHidden.indexOf($(this).attr('class')) >= 0) {
                                     $(this).removeClass('hidden');
                                 }
                             });
@@ -193,7 +193,7 @@
 
                             // Hide each input tip
                             $(this).children().each(function() {
-                                if (inputTipSelectors.includes($(this).attr('class'))) {
+                                if (inputTipSelectors.indexOf($(this).attr('class')) >= 0) {
                                     $(this).addClass('hidden');
                                 }
                             });
@@ -207,7 +207,7 @@
 
                             // Initially hide each input tip
                             input.children().each(function() {
-                                if (inputTipSelectors.includes($(this).attr('class'))) {
+                                if (inputTipSelectors.indexOf($(this).attr('class')) >= 0) {
                                     $(this).addClass('hidden');
                                 }
                             });