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Building a Real-Time Chat Application with WebSockets in Node.js

Learn how to build a real-time chat application using Node.js and WebSockets. This tutorial...

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JWT Token Creation and Verification in Node.js using 'jsonwebtoken'

This Node.js code uses the 'jsonwebtoken' module to create a JWT token with a payload and set...

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Simple HTTP Server in Node.js

This Node.js code creates a basic HTTP server using the 'http' module. The server responds with...

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Read and Write Files in Node.js using 'fs' module

This Node.js code demonstrates reading content from a file ('file.txt') and writing to a new...

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Simple RESTful API in Node.js using Express

This Node.js code sets up a simple RESTful API using Express. It defines a route...

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Date Manipulation and Sum Calculation

This Node.js code showcases the usage of Moment.js to get the current date and time and Lodash...

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Access Command-line Arguments

This Node.js code accesses and logs the command-line arguments passed to the script, excluding...

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Set and Access Environment Variable

This Node.js code sets an environment variable (API_KEY) using process.env and then logs the...

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Event Emitter using 'events' module

This Node.js code demonstrates using the 'events' module to create an EventEmitter instance,...

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Construct File Path using 'path' module

This Node.js code uses the 'path' module to construct a file path using path.join. The resulting...

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Basic Authentication using 'express-basic-auth' middleware

This Express.js code sets up basic authentication using the 'express-basic-auth' middleware. It...

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Create and Print Buffer

This Node.js code creates a Buffer from the string 'Hello, Node.js!' and prints the content of...

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Hashing Password with SHA-256 using 'crypto' module

This Node.js code uses the 'crypto' module to create a SHA-256 hash of a password ('mypassword')...

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Parse URL and Query Parameters

This Node.js code demonstrates parsing a URL, extracting query parameters using the 'url' and...

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Execute Shell Command using 'child_process' module

This Node.js code utilizes the 'child_process' module to execute the 'ls -l' shell command. It...