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…
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,…
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…
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…
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…
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…
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…
Keywords are reserved words, which can’t be used as a variable, label, or function name. The keywords have their operation and perform in a certain way to provide different functionality. Most Common NodeJS Keywords There are many keywords in Node.js,…
The function is the key fundamental of programming languages, it is used to combine different expressions and instruct them to perform certain operations. A function makes the overall structure of the program better by providing a feature to group certain…
Node.js is a JavaScript runtime that allows you to write JavaScript for creating back-end services. We can create services like APIs, Web App even Mobile App using it. Many big companies use Node.js to build their application such as Netflix,…