Replacing .includes with .indexOf for IE11, fixes #2701

JedWatson · Jun 27, 2018 · a0adb34 · a0adb34
1 parent e855b8d
commit a0adb34
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/utils.js b/src/utils.js
@@ -87,7 +87,7 @@ export function handleInputChange(
 // ==============================
 
 function isDocumentElement(el: Element) {
-  return [document.documentElement, document.body, window].includes(el);
+  return [document.documentElement, document.body, window].indexOf(el) > -1;
 }
 
 // Normalized Scroll Top