This blog describes how to append in a text file in Node.js. To append to a text file in Node.js, you can use the fs.appendFile() function from the built-in fs (File System) module. This function appends data to a file, creating the file if it does not exist. Here’s how you can use it. The …
How to Perform Various File Operations in Node.js?
This blog describes How to Perform Various File Operations in Node.js. The following code shows a basic Node.js application that performs various file operations like reading, writing, copying, and deleting files. source.txt Output Make sure to create a source.txt file in the same directory as this script to test the read, write, copy, and delete …
Getting Started With NodeJS
In this blog on Getting Started With NodeJS, I will explain how to start working with NodeJs using simple examples. Node.js is a popular runtime for server-side JavaScript applications. It’s built on the V8 JavaScript runtime and allows you to run JavaScript code on the server side, enabling the development of scalable and efficient web …
Important Concepts in NodeJS
The following list provides some of the Important Concepts in NodeJS that every programmer should know. Modules in NodeJS NodeJS File System Events Node Package Manager (NPM) Callbacks Asynchronous I/O (Non-Blocking I/O) Promises Prototypes Brief Introduction of Important Concepts in NodeJS The following section provides a brief introduction of the above-mentioned concepts. Modules In fact, …
Understanding NodeJS With Examples
In this article on Understanding NodeJS With Examples, I will explain this server-side JavaScript runtime environment along with some examples. To begin with, let us first discuss the features of the node.js framework. Basically, Node.js is built on chrome’s V8 engine. It is open-source. It is a back-end JavaScript runtime environment and can execute JavaScript …