From ea507f163b0b1b32446ed4dd4454580ed6d68f5c Mon Sep 17 00:00:00 2001
From: Nathan Hunzaker <nate.hunzaker@gmail.com>
Date: Fri, 6 Oct 2017 10:45:57 -0400
Subject: [PATCH] Use indexOf instead of includes in RangeKeyboardFixture
 (#11133)

Allows the DOM Fixture change test case to work in older browsers.
---
 .../fixtures/input-change-events/RangeKeyboardFixture.js      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fixtures/dom/src/components/fixtures/input-change-events/RangeKeyboardFixture.js b/fixtures/dom/src/components/fixtures/input-change-events/RangeKeyboardFixture.js
index 8d64fe7e6e..b9154ee33b 100644
--- a/fixtures/dom/src/components/fixtures/input-change-events/RangeKeyboardFixture.js
+++ b/fixtures/dom/src/components/fixtures/input-change-events/RangeKeyboardFixture.js
@@ -30,7 +30,9 @@ class RangeKeyboardFixture extends React.Component {
 
   handleKeydown = e => {
     // only interesting in arrow key events
-    if (![37, 38, 39, 40].includes(e.keyCode)) return;
+    if ([37, 38, 39, 40].indexOf(e.keyCode) < 0) {
+      return;
+    }
 
     this.setState(({keydownCount}) => {
       return {