Difference between Node.js and Angular.js

Key Difference: Node.js is a server side environment best used for building real-time scalable apps such as databases. Angular.js is a front-end web app framework that is used for building dynamic single-page applications.

Node JSTechnology is a sector that is constantly moving and updating, becoming faster and better with each new version that is released. Older technologies often become obsolete or replaced with newer and better apps. It is almost easy to end up becoming lost if you don’t always keep yourself up to date with the latest technology that is being released.

Building apps from the scratch is already an extremely difficult task, add the range of different frameworks that are available in the market, things are bound to get difficult and confusing. The sheer number of frameworks that are already on the market and with more being introduced every couple of months, developers are now becoming more confused than ever learning about the different between the different technologies that are available on the internet.

Node.js and Angular.js are two different types of web development technologies that is available for building web apps. And many people believe that these both are similar or used for the same purpose. However, these two technologies are completely different from each other and are often used for different purposes.

Node.js is a client-side or back-end cross- platform run time environment. This means it is mostly used to write or build systems for the server and is not something the people interact with when they use an app. It is built on Chrome’s V8 JavaScript engine that allows executing JavaScript code outside of a browser. It was created to make it easier for developers to write dynamic server-side code for web apps. It ensured that developers could user easier languages than PHP, Java and other more difficult and instead write entire systems using JavaScript. It works to make it easier for running JavaScript code.

Node.js has an event-driven architecture that is capable of asynchronous I/O that makes it easier to build scalable apps as well as real-time web applications. It uses event-driven programming to allowing developers to build faster web servers and make communication easier between the server and the client-side app. It also comes with a number of open-source libraries that can be installed to make writing more complex codes simpler.

Unlike Node.js, Angular.js is actually a framework for building web applications. It is one of the most popular JavaScript frameworks currently on the market for creating single-page applications. It is an open-source framework that is maintained by Google and a community of individuals and corporations. Angular.js was built to deal with one of the most common problem that developer face, building dynamic websites. Angular adapts and extends the traditional HTML to present dynamic data using two-way data binding.

Angular JSAngular was built on the ideology that declarative programming should be used to create user interfaces and connect software components. Angular shifts the focus from DOM manipulation and replacing it with automatic synchronization of models and views. The best part of Angular is that it not only simplifies development but also testing by providing multiple architectures such as Model-View-Controller (MVC) and Model-View-viewmodel (MVVM) well as components that are commonly used in internet rich applications.

So, Node.js and Angular.js – although very confusing since both can be used to build applications, tend to serve different purposes. Node.js is mostly used for server side development, while Angular is more popular as a web development framework.

Comparison between Node.js and Angular.js:




What is it?

Cross-platform run-time environment

Web application development platform


Back-end or Server Side

Front-end or Client Side


Requires installation on the computer system

Doesn’t need installation, can be used as any other file

Written in

Uses a combination of C, C++ and JavaScript

Written completely in JavaScript

Run language



Used For

Building scalable real-time apps

Building Dynamic client-side apps

Best For

Small sized projects

Large dynamic and interactive projects

Web Apps

Has other frameworks such as Express.js, Sails.js, Partial.js, etc.

Is a framework in itself, doesn’t require other apps


Model-View-Controller (MVC)

Model-View-Whatever, including Model-View-Controller and Model-View-View modes


Debugger, Modules, Console, Cluster, Add-on, Streaming, DNS, Domain, Buffer, Callbacks, Global, Net, Error Handling, Crypto

Data Binding, Validators, Providers, Directives, Controllers, Modules, Expressions Factories, Services, Filters, Dependency Injection, Scope, etc.


Serves the web, performs communication operation with databases , web-sockets, middleware, etc.

Manages state of models, integrates with other UI tools, manipulates DOM, allows custom writing HTML codes

Reference: Wikipedia (Node JS, Angular JS), Angular Minds, Guru99, Java T Point
Image Courtesy: nodejs.org, w3schools.com

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