Adding AngularJS to the Node.js Environment

AngularJS is a client-side JavaScript library, which means the only thing you need to do to implement AngularJS in your Node.js environment is to provide a method for the client to get the angular.js library file by using a <script> tag in the HTML templates.

The simplest method of providing the angular.js library is to use the Content Delivery Network (CDN), which provides a URL for downloading the library from a third party. The downside of this method is that you must rely on a third party to serve the library, and if the client cannot connect to that third-party URL, your application will not work. For example, the following <script> tag loads the angular.js library from Google APIs CDN:

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<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angular.min.js">
</script>

The other method of providing the angular.js library is to download it from the AngularJS website (http://angularjs.org) and use Node.js to serve the file to the client. This method takes more effort and also requires extra bandwidth on your webserver; however, it may be a better option if you want more control over how the client obtains the library.