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What is Node JS?

Node.js is a cross-platform runtime library and environment for running JavaScript applications outside the browser. This is a free and open source tool used for creating server-side JS applications.

Node.js applications are written in JavaScript. This application can runs within the Node.js runtime on Linux and Microsoft Windows. This framework offers a rich library of various JavaScript modules to simplify web development process.


What Is Front end Testing?

Front-end Testing is testing Graphical User Interface (GUI), functionality and usability of website or application.

For Example: If you enter your name into the frontend of application, numbers should not be accepted. Another example would be checking the alignment of GUI elements.


What is Node.js?

Node.js is a server-side platform built on Google Chrome's JavaScript Engine. It uses a non-blocking, event-driven I/O model. It allows developers to create data-intensive real-time applications that run across distributed devices. Its applications are written in JavaScript. It can be run on OS X, Microsoft Windows, and Linux operating systems. It is widely used to run real-time server applications.


What is Frontend Testing?

Frontend Testing is a type of testing that checks the Presentation layer of a 3 Tier Architecture.

In layman's term, you are checking the GUI - anything that is visible on screen, client -side. For a web application, front-end testing would involve checking functionalities like forms, graphs, menus, reports, etc. as well as associated Javascript. Frontend testing is a term that covers a variety of testing strategies. A tester needs a good understanding of business requirements to perform this type of testing.


There are many front-end development tools that accelerate web development. Here is a curated list of tools with key features and download links.

1) Npm:


Following are important certificates for an IT Professionals.