Unrevert D3518381

Reviewed By: gabelevi

Differential Revision: D3522895

fbshipit-source-id: 52f28c7f3142566a07d8bc845be882aeda098809

Examples/UIExplorer/WebSocketExample.js

@@ -1,4 +1,11 @@
 /**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
  * The examples provided by Facebook are for non-commercial testing and
  * evaluation purposes only.
  *
@@ -81,7 +88,7 @@ function showValue(value) {
   if (typeof ArrayBuffer !== 'undefined' &&
       typeof Uint8Array !== 'undefined' &&
       value instanceof ArrayBuffer) {
-    return `ArrayBuffer {${Array.from(new Uint8Array(value))}}`;
+    return `ArrayBuffer {${String(Array.from(new Uint8Array(value)))}}`;
   }
   return value;
 }