From 71998c96493a980c67265e0bf6444cd8d7decca5 Mon Sep 17 00:00:00 2001
From: Carlos Vializ <vializ@google.com>
Date: Thu, 11 May 2017 10:09:28 -0700
Subject: [PATCH] tagName is always uppercase

---
 extensions/amp-form/0.1/form-verifiers.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extensions/amp-form/0.1/form-verifiers.js b/extensions/amp-form/0.1/form-verifiers.js
index 881726bb96dd..43cfad03d329 100644
--- a/extensions/amp-form/0.1/form-verifiers.js
+++ b/extensions/amp-form/0.1/form-verifiers.js
@@ -112,13 +112,13 @@ function parseConfig_(script) {
   }
 }
 
-const submittableTagNames_ = ['button', 'input', 'select', 'textarea'];
+const submittableTagNames_ = ['BUTTON', 'INPUT', 'SELECT', 'TEXTAREA'];
 /**
  * @param {!Element} element
  * @return {boolean}
  */
 function isSubmittable_(element) {
-  return submittableTagNames_.includes(element.tagName.toLowerCase());
+  return submittableTagNames_.includes(element.tagName);
 }
 
 /**