Use indexOf instead of includes in RangeKeyboardFixture

Allows the DOM Fixture change test case to work in older browsers.
facebook · Oct 6, 2017 · f322b5c · f322b5c
1 parent 7ec46e0
commit f322b5c
Showing 1 changed file with 3 additions and 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
@@ -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 {