Minor fixes

Author: tshemsedinov

JavaScript/4-for-in.js

@@ -4,5 +4,12 @@ const arr = [7, 10, 1, 5, 2];
 arr.field = 'Value';
 
 for (let i in arr) {
-  console.log(i);
+  let value = arr[i];
+  console.log(i, value);
+}
+
+let j, value;
+for (j in arr) {
+  value = arr[j];
+  console.log(j, value);
 }

JavaScript/6-break.js

@@ -1,8 +1,10 @@
 'use strict';
 
+const flag = true;
+
 label1: {
   console.log('Hello');
-  if (true) break label1;
+  if (flag) break label1;
   console.log('World');
 }
 

JavaScript/8-forEach.js

@@ -2,7 +2,7 @@
 
 const a = [7, 10, 1, 5, 2];
 
-a.forEach(function(item, i, arr) {
+a.forEach((item, i, arr) => {
   console.log(i, arr, item);
 });