Angular Installation & Angular Versioning

Things Need For Angular Installation

1. Code Editor (Visual Studio Code)
2. Node JS
3. NPM (Node Package Manager)
4. Angular CLI (Command Line Interface)

Visual Studio Code

• Microsoft Visual Studio Code is a free, open source and lightweight but powerful source code editor that runs on your desktop and on the web.
• Microsoft VS Code is available for Windows, macOS, Linux, and Raspberry Pi OS.
• Microsoft VS Code comes with built-in support for JavaScript, TypeScript, and Node.js and has a rich variety of extensions for other programming languages (such as C++, C#, Java, Python, PHP etc)

Node JS

• In Web Development, Node.js is a free, open source, lean, fast, cross-platform JavaScript runtime environment that is useful for both servers and desktop applications.
• Node JS applications aren’t limited to pure JavaScript.
• You can use any language that transpiles to JavaScript, for example TypeScript and CoffeeScript.
• Node.js supports the Google Chrome V8 JavaScript engine, which supports (ES) ECMAScript 2015 (ES6 Modern JavaScript) syntax without any need for an EcmaScript 6 To EcmaScript 5 transpiler such as Babel.

NPM

• Full form of NPM or NPM stands for Node Package Manager.
• NPM is a package manager for the Node JavaScript platform.
• NPM is known as the world’s largest software registry.
• Open-source developers all around the world use NPM to publish worldwide and share their source code.

Angular CLI

• Angular CLI, it refers to command-line interface, which happens to be an interface used for developing and scaffolding Angular applications by making use of Node JS style modules.
• Angular CLI is accountable for handling all the typical tedious jobs like creating components, creating modules creating templates etc apart from offering us a scalable project structure.
• As the name suggests, Angular CLI happens to be a command-line tool meant for angular applications.

Vs Code Download Link

https://code.visualstudio.com/download

Node JS Download Link

https://nodejs.org/en/download/

Angular Installation

• After Installing Node JS & NPM, check their version
  • node -v
  • npm -v

Installing Angular CLI

• You can use the Angular CLI to create projects, generate application and library code, and perform a variety of ongoing development tasks such as testing, bundling, and deployment.
• To install the Angular CLI, open a terminal window and run the following command:
• npm install -g @angular/cli
• Use the command “ng v” to check the version of angular CLI.

Angular Versioning

• Angular 12 release date May 12, 2021.
• Angular 13 release date November 3, 2021.
• Angular 14 release date 2nd June 2022.
• Note: Angular release its major version after every 6 months.
• Then Angular Team releases new versions of the Angular versions Regularly and the last stable version that is available in Angular 14.1.0 / 20 July 2022.

• MAJOR
  • Significant New Features.
  • Some but minimal Developer assistance Needed.
  • You may need to run Update scripts, refactoring Code additional Tests & newly added APIs
• MINOR
  • Smaller features With backward Compatibility.
  • No developer Assistance required.
  • No need to run Update scripts.
• PATCH
  • Bug fixes or any Defect will be removed From the current version.

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