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Node.js filehandle.readLines() Method

Last Updated: 23 July 2025

Node.js is an open-source server-side run-time environment. Reading and Writing are two main important functions of any application. Node.js offers a wide range of inbuilt...read more

How to Rewrite promise-based applications to Async/Await in Node.js ?

Last Updated: 25 July 2024

In this article, we are going to see how we can rewrite the promise-based Node.js application to Async/Await.Suppose we have to read the content of a file 'index.txt', and...read more

How to run a batch file in Node.js with input and get an output ?

Last Updated: 02 August 2024

In this article, we are going to see how can you run a batch file with input and get an output file in Node.js. A batch file is a script file that stores command to be exe...read more

How to convert function call with two callbacks promise in Node.js ?

Last Updated: 23 July 2024

Promise: Promise is used to handle the result, if it gets the required output then it executes the code of then block, and if it gets the error then it executes the code o...read more

What is Callback Hell and How to Avoid it in NodeJS?

Last Updated: 09 September 2025

Callback hell in Node.js refers to the situation where multiple nested callbacks are used to handle asynchronous tasks, resulting in code that looks like a “pyramid of doo...read more

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What is File System Module in Node.js ?

Last Updated: 10 July 2024

Node.js is a powerful platform for building server-side applications, and one of its key features is its ability to interact with the file system. The File System (fs) mod...read more

How to Get Information About a File using Node.js ?

Last Updated: 23 July 2025

Node.js is an open-source and cross-platform runtime environment built on Chrome’s V8 JavaScript engine for executing JavaScript code outside of a browser. You need to rec...read more

Difference between Synchronous and Asynchronous Method of fs Module

Last Updated: 23 July 2025

Asynchronous fs methods in Node.js do not block the event loop and handle multiple operations concurrently, improving performance while Synchronous fs methods block the ev...read more

What is the mechanism of reading the content of a file in Node.js ?

Last Updated: 23 July 2025

In this article, we will discuss the mechanism of reading a file in NodeJs.NodeJS is one of the most popular JavaScript frameworks that allows JavaScript to be used as a s...read more

How to Access the File System in Node.js ?

Last Updated: 23 July 2025

In this article, we looked at how to access the file system in NodeJS and how to perform some useful operations on files.Prerequisite:Basic knowledge of ES6Basic knowledge...read more

How to send different HTML files based on query parameters in Node.js ?

Last Updated: 22 April 2021

The following approach covers how to send different HTML files based on the query parameters in Node.jsApproach: The task can be easily fulfilled by receiving the query pa...read more

How to return an array of lines from a file in node.js ?

Last Updated: 23 July 2025

In this article, we will return an array of lines from a specified file using node.js. The fs module is used to deal with the file system in node.js and to read file data ...read more

Node.js File System Complete Reference

Last Updated: 23 July 2025

Node.js File System module is used to handle file operations like creating, reading, deleting, etc. Node.js provides an inbuilt module called FS (File System). Node.js giv...read more

Node.js fs.fdatasyncSync() Method

Last Updated: 23 July 2025

The fs(File System) module enables interacting with the file system in a way modeled on standard POSIX functions, which means we can perform I/O operations with our Comput...read more

Node.js fs.writeSync() Method

Last Updated: 09 February 2021

The file system module or fs module is an inbuilt module in Node js which is used to work with files on the computer. The functions of the module can be used by importing ...read more

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Node.js-fs-module

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