It makes use of an event-driven and non-blocking I/O model which makes it the right choice for the data-streaming and real-time applications.
Like other programming languages, Nodejs also uses packages and modules in application development. In fact, these are the directories of various functions that import from NPM into the program code.
There are some special features of Nodejs to create great web applications are:
SPECIAL FEATURES OF NODEJS(UPDATED)
Nodejs features #1: MODULES
There are two types of modules in Nodejs.
Core Modules – These are the modules that are pre-compiled with the Nodejs library. Moreover, the main purpose of the core modules is to avoid repeating the code sections. This helps developers to code neatly without errors.
User-Defined Modules – Here the developer makes for a specific purpose in its application. Modules are getting extract through the require function. The argument possesses the same name of that module in the core module.
Nodejs features #2: ASYNC HOOKS
Async Hooks is a feature that comes with new Nodejs updates. This feature of Nodejs gigs and pulls out a huge amount of analytical data about the process. The async_hooks module gives an API to register its callbacks tracking. Such a lifetime of asynchronous resources created inside a Nodejs application.
There is a lot of things that you can do with async hooks as a powerful tool to build around the Nodejs process. It makes it easier to trace resources easily.
Nodejs features #3: NODE PACKAGE MANAGER(NPM)
The NPM (Node Package Manager) comprises a huge number of modules (i.e. 50000+ modules) with considerable growth. The one thing that no one can ignore in Nodejs is its default node package manager tool. And also the built-in support for package management on installation. The idea of NPM modules comes with reusable components to avail of the easy installation through an online repository. Each of which has different versions and dependency management.
Nodejs features #4: NODE_REPORT
This utility tool has picked its place in the Nodejs core. Even it helps to find abnormal terminations, unexpected errors, high CPU usage, and more. In recent updates, Nodejs gets a bunch of diagnostic utilities like Node-report. This is to help in encountering errors and difficulties to pinpoint.
Nodejs features #5: SINGLE THREADED(STILL HIGHLY SCALABLE)
With the combination of Event looping, Nodejs uses a single-threaded model. This particular event mechanism helps the server respond in a non-blocking way. Unlike traditional servers, the Nodejs uses non-blocking which makes the server scalable. In addition, Nodejs uses a single-threaded program to handle a large number of requests.
Nodejs features #6: NODE_OPTION
Node-option is a new environment variable that comes with Nodejs. It allows command-line arguments via an environment variable. Since it is an environment variable, it can be specified in a project without modifying. Thus, any scripts that run and affect all processes will be derived from the environment.
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