Node Tutorials

NodeJS globals can be directly called inside any project without importing them. There are many built-in globals that provide different functions such as getting the directory name, and file name, printing different values in the console, setting timers, exporting and importing modules, etc. These globals can be a function, string, object, etc. Different Node.js built-in […]

NodeJS OS is used to get information regarding the OS installed on the machine in which Node is running. Node OS will help to interact with the Operation System running the Node.js server to manage the resources, performance, etc. It is also to get information regarding the CPU, architecture, operation system uptime, system’s constraints, total

Node.js DNS is used to get information regarding the DNS by doing a DNS lookup.  DNS Lookup means looking at the DNS records for a domain or an IP address of a server. These DNS records can be the list of different IP addresses, MX records, Name Server records, or services associated with a particular

Node.js gives the power to interact with the command line and perform different operations by giving the command line options which can be used for different purposes like running JavaScript code, checking for errors in a particular file or even in a single line, installing dependencies, printing stack traces, etc. With the wide repository of

A process is a global object which can be used directly inside a Node.js application without importing them.  The majority of Node.js objects and method is needed to import before using them inside an application just like a file system, for using any of its methods it is required to import them but the global

Node.js provides an error object which indicates different types of errors. A programmer can throw the error in the console to debug the program. It helps to indicate which type of error occurs like syntax, reference, and type errors. It also gives a description of that particular error. An error object is more useful when

NPM stands for Node Package Manager, used to install different Node.js packages. NPM is the core of Node.js, it is an online repository of thousands of Node.js packages use for different functions. These packages are free to install and can be used in the creation of different types of applications like express is the package

NodeJs Child Process is used to create child processes that can run simultaneously proving a multicore functionality to a Node.js application. Node.js is a single-threaded, it can perform one operation at a time. This limits the scalability of a Node.js Application since we are not able to utilize the full power of the CPU. For

NodeJS TLS/SSL is used to make the connection secure through the use of cryptographic protocols, which ensure the security of the transformation of information over the web. It uses public-key cryptography to encrypt messages.  The information transferred from a client to a server can be tempered by a hacker, and the information may contain confidential

Node.js includes various global objects used to perform different operations. Global objects are global in nature, they can be used anywhere directly. One of the widely used global objects is the console object which is used literally in every Node.js project. NodeJS Console Methods A console object is the global Node.js object used to print