From 93d0c4e8e732f28ae540402bd1318f7b8577805f Mon Sep 17 00:00:00 2001
From: M Pacer <mpacer@berkeley.edu>
Date: Fri, 6 Oct 2017 16:43:17 -0700
Subject: [PATCH] reformat js for onSave to be more idiomatic & better
 presented

---
 notebook/static/notebook/js/menubar.js | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/notebook/static/notebook/js/menubar.js b/notebook/static/notebook/js/menubar.js
index 9ac5cc3308..33ee758546 100644
--- a/notebook/static/notebook/js/menubar.js
+++ b/notebook/static/notebook/js/menubar.js
@@ -253,18 +253,21 @@ define('notebook/js/menubar',[
         return true; // close the dialog
         // return false to keep it open.
       };
-      var saveData = (function() {
+      var saveData = (() => {
         var a = document.createElement("a");
         document.body.appendChild(a);
         a.style = "display: none";
-        return function(data, fileName) {
-          var blob = new Blob([data], { type: "octet/stream" }), //this works for tar
-            url = window.URL.createObjectURL(blob);
-          a.href = url;
-          a.download = fileName;
-          a.click();
-          window.URL.revokeObjectURL(url);
-        };
+        return (
+          (data, fileName) => {
+            var blob = new Blob([data], { type: "octet/stream" }),
+              url = window.URL.createObjectURL(blob);
+            a.href = url;
+            a.download = fileName;
+            a.click();
+            window.URL.revokeObjectURL(url);
+            document.body.removeChild(a);
+          }
+        )
       })();
 
       var mod = dialog.modal({