Node.js Examples

The following Node.js section contains a wide collection of Node.js examples. These Node.js examples are categorized based on the topics including file systems, methods, and many more. Each program example contains multiple approaches to solve the problem.

Prerequisite: Node.js Tutorial

Table of Content

File System
Method
HTTP/HTTP2

File System

1	How to Access the File System in Node.js?
2	How to return an array of lines from a file in node.js?
3	How to operate callback-based fs.lstat() method with promises in Node.js?
4	How to operate callback based fs.writeFile() method with promises in Node.js?
5	How to operate callback-based fs.rename() method with promises in Node.js?
6	How to operate callback-based fs.readdir() method with promises in Node.js?
7	How to operate callback-based fs.truncate() method with promises in Node.js?
8	How to operate callback-based fs.readFile() method with promises in Node.js?
9	How to operate callback-based fs.mkdir() method with promises in Node.js?
10	How to operate callback-based fs.opendir() method with promises in Node.js?
11	How to operate callback based fs.appendFile() method with promises in Node.js?
12	How to send different HTML files based on query parameters in Node.js?

Method

1	How to Build a JavaScript Command Line Interface (CLI) with Node.js?
2	How node.js prevents blocking code?
3	How to Build a Simple Web Server with Node.js?
4	How to upload single/multiple image to cloudinary using node.js?
5	How to do pagination in Node.js using sorting ids?
6	How to create pagination in Node.js using skip and limit?
7	How to use $group for a MongoDB query in Node.js?
8	How to send data from client side to node server using Ajax without page reloading?
9	How to make Mongoose multiple collections using Node.js?
10	How to export promises from one module to another module node.js?
11	How to Integrate Paytm Test API in Node.js?
12	How to move MongoDB document from one collections to another?
13	How to create load balancing servers using Node.js?
14	How to call an API continuously from server side itself in NodeJS/ExpressJS?
15	How to push data in a MongoDB document?
16	How to convert PNG to JPG using Node.js?
17	How to set Multiple Web Apps with Different Base Directories on the Same Express Server?
18	How to run many parallel HTTP requests using Node.js?
19	How to create proxy server on Heroku in Node.js?
20	How to highlight syntax in files using Node.js?
21	How to save connection result in a variable in Node.js?
22	How does Query.prototype.hint() work in Mongoose?
23	How to do Piping/Streaming of JavaScript objects in Node.js?
24	How to get data from 2 different collections of mongoDB using Node.js?
25	How to access cache data in Node.js?

HTTP/HTTP2

1	How to run many parallel HTTP requests using Node.js?
2	How to use routes with serve-static files in Node.js?

Prerequisite: Node.js Tutorial

File System

Method

HTTP/HTTP2

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