From b2ab72cb0b10c8ba68666e85b4b2b749c95aa985 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Szymon=20Wo=C5=BAny?=
 <34154591+alojzz@users.noreply.github.com>
Date: Sun, 23 Dec 2018 09:04:10 +0100
Subject: [PATCH] change var to let (#23172)

change var to let
---
 .../javascript/loops/for-in-loop/index.md       | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/guide/english/javascript/loops/for-in-loop/index.md b/guide/english/javascript/loops/for-in-loop/index.md
index 9ababf0683..6a54ba6802 100644
--- a/guide/english/javascript/loops/for-in-loop/index.md
+++ b/guide/english/javascript/loops/for-in-loop/index.md
@@ -18,14 +18,15 @@ for (variable in object) {
 ## Examples
 ```js
 // Initialize object.
-var a = { "a": "Athens", "b": "Belgrade", "c": "Cairo" };
+const a = { "a": "Athens", "b": "Belgrade", "c": "Cairo" };
 
 // Iterate over the properties.
-var s = "";
-for (var key in a) {
-    s += key + ": " + a[key];
-    s += "<br />";
+let s = "";
+for (let key in a) {
+  s += key + ": " + a[key];
+  s += "<br />";
 }
+
 document.write (s);
 
 // Output:
@@ -34,15 +35,15 @@ document.write (s);
 // c: Cairo
 
 // Initialize the array.
-var arr = new Array("zero", "one", "two");
+let arr = new Array("zero", "one", "two");
 
 // Add a few expando properties to the array.
 arr["orange"] = "fruit";
 arr["carrot"] = "vegetable";
 
 // Iterate over the properties and elements.
-var s = "";
-for (var key in arr) {
+let s = "";
+for (let key in arr) {
     s += key + ": " + arr[key];
     s += "<br />";
 }