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Node.js is an open-source server side runtime environment built on Chrome's V8 JavaScript engine. It provides an event driven, non-blocking (asynchronous) I/O and cross-platform runtime environment for building highly scalable server-side applications using JavaScript.



Node.js tutorials will help you learn the essentials of Node.js starting from the basics to an advanced level. These tutorials are broken down into sections, where each section contains a number of related topics that are packed with easy to understand explanations, real-world examples, useful tips, informative notes, and "points to remember" section.

These tutorials are designed for beginners and professionals who want to learn Node.js step by step.

3. Write a program to check request header for cookies.


Basic knowledge of HTML, JavaScript and web application is recommended. So let's get started by clicking Next. Test your Node.js knowledge with a quick test. It includes 20 questions and each question includes 4 options. Select an appropriate answer out of 4 options. There is no time limit for this test. Start Node.js Test. Node.js Tutorial. Node.js Useful Resources.

4. Write a node.js program to replace two or more a's with the letter b on the given string using Regular Expression.

This tutorial is designed for software programmers who want to learn the basics of Node.js and its architectural concepts. This tutorial will give you enough understanding on all the necessary components of Node.js with suitable examples. Before proceeding with this tutorial, you should have a basic understanding of JavaScript.

5. There is a given object, write node.js program to print the given object's properties, delete the second property and get length of the object.

Eduonix Learning Solutions. 88 Lectures 17 hours . Eduonix Learning Solutions. 32 Lectures 1.5 hours .

6. Write a node.js program to get files or directories of a directory in JSON format.


8 Lectures 33 mins. 9 Lectures 2.5 hours .



97 Lectures 6 hours .


Node.js provides Zlib module to zip a file. The given example demonstrates this -


In the given node.js program, we are using a Try Catch block around the piece of code that tries to read a file synchronously.