Merge pull request sudheerj#11 from Yashwanthbyalla/patch-1

Added Differences of all Angular versions question

Author: sudheerj

README.md

@@ -157,7 +157,7 @@
 |149| [How do you test Angular application using CLI?](#how-do-you-test-angular-application-using-cli)|
 |150| [How to use polyfills in Angular application?](#how-to-use-polyfills-in-angular-application)|
 |151| [What are the ways to trigger change detection in Angular?](#what-are-the-ways-to-trigger-change-detection-in-angular)|
-|152| [](#)|
+|152| [Differences between all versions of Angular?](#Differences-between-all-versions-of-Angular)|
 |153| [](#)|
 |154| [](#)|
 |155| [](#)|
@@ -1952,7 +1952,43 @@
      2. NgZone.run(callback): It evaluate the callback function inside the Angular zone.
      3. ChangeDetectorRef.detectChanges(): It detects only the components and it's children.
 
-152. ### ?
+152. ### Differences between all versions of Angular?
+     Angular 1
+        • Angular 1 (AngularJS) is the first angular framework released in the year 2010.
+        • AngularJS is not built for mobile devices.
+        • It is based on controllers with MVC architecture.
+     Angular 2
+        • Angular 2 was released in the year 2016. Angular 2 is a complete rewrite of Angular1 version.
+        • The performance issues that Angular 1 version had has been addressed in Angular 2 version.
+        • Angular 2 is built from scratch for mobile devices unlike Angular 1 version.
+        • Angular 2 is components based.
+     Angular 3
+        The following are the different package versions in Angular 2.
+        • @angular/core v2.3.0
+        • @angular/compiler v2.3.0
+        • @angular/http v2.3.0
+        • @angular/router v3.3.0
+        The router package is already versioned 3 so to avoid confusion switched to Angular 4 version and skipped 3 version.
+     Angular 4
+        • The compiler generated code file size in AOT mode is very much reduced.
+        • With Angular 4 the production bundles size is reduced by hundreds of KB’s.
+        • Animation features are removed from angular/core and formed as a separate package.
+        • Supports Typescript 2.1 and 2.2.
+     Angular 5
+        • Angular 5 makes angular faster. It improved the loading time and execution time.
+        • Shipped with new build optimizer.
+        • Supports Typescript 2.5.
+     Angular 6
+        • It is released in May 2018.
+        • Includes Angular Command Line Interface (CLI), Component Development KIT (CDK), Angular Material Package.
+     Angular 7
+        • It is released in October 2018.
+        • TypeScript 3.1
+        • RxJS 6.3
+        • New Angular CLI
+        • CLI Prompts capability provide an ability to ask questions to the user before they run. It is like interactive dialog between the           user and the CLI
+        • With the improved CLI Prompts capability, it helps developers to make the decision. New ng commands ask users for routing and CSS           styles types(SCSS) and ng add @angular/material asks for themes and gestures or animations.
+        
 153. ### ?
 154. ### ?
 155. ### ?