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Angular Installation
Step 1. Set up the Development Environment
You need to set up your development environment before you can do anything.
Install Node.js® and npm if they are not already on your machine.
Verify that you are running at least node 6.9.x and npm 3.x.x by running node -v and npm -v in a terminal/console window. Older versions produce errors, but newer versions are fine.
Then install the Angular CLI globally.
npm install -g @angular/cli
Step 2. Create a new project
Open a terminal window.
Generate a new project and skeleton application by running the following commands:
ng new my-app
Patience, please. It takes time to set up a new project; most of it is spent installing npm packages.
Step 3: Serve the application
Go to the project directory and launch the server.
cd my-app
ng serve –open
The ng serve command launches the server, watches your files, and rebuilds the app as you make changes to those files.
Using the –open (or just -o) option will automatically open your browser on http://localhost:4200/.
Your app greets you with a message:
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