Change examples

Author: tshemsedinov

JavaScript/6-spread.js

@@ -1,15 +1,18 @@
 'use strict';
 
-const f1 = (...args) => console.log(args);
+const f1 = (...args) => {
+  console.log(args);
+};
 
 f1(1, 2, 3);
 
 const f2 = (...args) => {
   args.forEach(arg => {
+    console.log('Type: ' + typeof(arg));
     if (typeof(arg) === 'object') {
-      console.log(typeof(arg) + ': ' + JSON.stringify(arg));
+      console.log('Value: ' + JSON.stringify(arg));
     } else {
-      console.log(typeof(arg) + ': ' + arg);
+      console.log('Value: ' + arg);
     }
   });
 };

JavaScript/8-method.js

@@ -1,7 +1,7 @@
 'use strict';
 
 const obj1 = {
-  f1: function inc(a) {
+  fn1: function inc(a) {
     return ++a;
   },
   sum: function(a, b) {
@@ -20,11 +20,14 @@ const obj1 = {
   }
 };
 
-console.log('obj1.f1.name = ' + obj1.f1.name);
+console.log('obj1.fn1.name = ' + obj1.fn1.name);
 console.log('obj1.sum.name = ' + obj1.sum.name);
+console.log('obj1.inc.name = ' + obj1.inc.name);
 console.log('obj1.max.name = ' + obj1.max.name);
+console.log('obj1.min.name = ' + obj1.min.name);
+console.log('obj1.dec.name = ' + obj1.dec.name);
 
-console.log('obj1.f1(5) = ' + obj1.f1(5));
+console.log('obj1.fn1(5) = ' + obj1.fn1(5));
 console.log('obj1.sum(1, 3) = ' + obj1.sum(1, 3));
 console.log('obj1.max(8, 6) = ' + obj1.max(8, 6));
 

JavaScript/9-this.js

@@ -8,8 +8,12 @@ const city = {
   },
   f2: () => {
     return this.name;
+  },
+  f3() {
+    return this.name;
   }
 };
 
 console.log('city.f1() = ' + city.f1());
 console.log('city.f2() = ' + city.f2());
+console.log('city.f3() = ' + city.f3());

JavaScript/b-call-apply.js

@@ -7,5 +7,6 @@ function f1(a, b) {
 f1(2, 3);
 f1.call(null, 2, 3);
 
-f1(...[2, 3]);
-f1.apply(null, [2, 3]);
+const arr = [2, 3];
+f1(...arr);
+f1.apply(null, arr);