For loop 🔃

Author: lgope

01 - JavaScript-Basics/LoopsAndIteration.js

@@ -1,6 +1,6 @@
 // for loop
 for (var i = 1; i <= 20; i += 2) {
-    console.log(i);
+  console.log(i);
 }
 
 // i = 0, 0 < 10 true, log i to console, i++
@@ -11,13 +11,34 @@ for (var i = 1; i <= 20; i += 2) {
 
 var john = ['John', 'Smith', 1990, 'designer', false, 'blue'];
 for (var i = 0; i < john.length; i++) {
-    console.log(john[i]);
+  console.log(john[i]);
 }
 
+// For In Loop (The JavaScript for/in statement loops through the properties of an object:)
+console.log('\nFor In Loop');
+
+const object = { name: 'Lakshman', age: 22, eye: 'blue' };
+console.log('For In Loop');
+for (const x in object) {
+  console.log(`${x}: ${object[x]}`);
+}
+
+// The For/Of Loop (The for...of statement creates a loop iterating over iterable objects)
+console.log('\nFor of Loop');
+
+for (const person of john) {
+  console.log(person);
+}
+
+// forEach()
+console.log('\nforEach');
+john.forEach(el => console.log(el));
 
 // While loop
+console.log('\nWhile Loop');
+
 var i = 0;
 while (i < john.length) {
-    console.log(john[i]);
-    i++;
-}
+  console.log(john[i]);
+  i++;
+}