Just another update

Task/Hash-from-two-arrays/JavaScript/hash-from-two-arrays-1.js

@@ -1,6 +1,6 @@
 var keys = ['a', 'b', 'c'];
 var values = [1, 2, 3];
 var map = {};
-for(var i in keys) {
+for(var i = 0; i < keys.length; i += 1) {
   map[ keys[i] ] = values[i];
 }

Task/Hash-from-two-arrays/JavaScript/hash-from-two-arrays-2.js

@@ -0,0 +1,7 @@
+function arrToObj(keys, vals) {
+  var map = {};
+  keys.forEach(function (key, index) {
+    map[key] = val[index];
+  });
+  return map;
+}