Open source and cross-platform system

What is Node.js?.

Node.js is an open source and yet powerful JavaScript-based framework/platform built on Google Chrome’s JavaScript V8 Engine. Providing an event driven, non-blocking (asynchronous) I/O and cross-platform runtime environment for highly scalable server-side applications. Significant to build fast, scalable network applications has rich library of multiple JavaScript modules to simplify application development time.

Maintained by License Type Popular Examples Support Updates Developer Skills
Oracle Corp Apache 2.0 License Paypal, LinkedIn,, Supported for at least one year beyond the next major version release. JavaScript library which provides the neccessary methods for both sides.
Often Compared to Testing Accessibility Maintained by Repository
Java,PHP Mocha and Chai for unit test , Sinon.JS Pa11y accessibility test runner, built using Pa11y. Oracle Corp.

  • Completely unopinionated, helps to start building everything from scratch. Executes basic tasks but gives only the bare minimum from a fresh install, making it less restricted.
  • Written using C language; makes it really fast compared to Ruby, Python, or Perl
  • Provides freedom for developers to write both the front-end as well as the back-end web application in JavaScript using a runtime environment
  • Node.js API changes frequently, making it to lack consistency and are often backward-incompatible. Programmers are forced to make changes to the existing code base to make it compatible with the latest version of the Node.js API.
  • With Asynchronous programming the codes tend to become clustered, clumsy and programmers have to depend on the nested calls.
  • Multithreading is not supported making it complicated for many developers to consider the technology unsuitable for complex applications.