What is NodeJS mostly used for?

Node. js is primarily used for non-blocking, event-driven servers, due to its single-threaded nature. It’s used for traditional web sites and back-end API services, but was designed with real-time, push-based architectures in mind.

What are the use cases for NodeJS and when it should be avoided?

NodeJS has become the number one choice among developers as well as companies for building modern web applications. However, you should not use NodeJS if you’re developing a CPU-intensive web application as it may cause unresponsiveness due to its single-threaded nature.

When should you consider using NodeJS?

When to use Node.JS

1. If your server side code requires very few cpu cycles. In other world you are doing non blocking operation and does not have heavy algorithm/Job which consumes lots of CPU cycles.
2. If you are from Javascript back ground and comfortable in writing Single Threaded code just like client side JS.

What is NodeJS not good for?

Not Suitable for Heavy-Computing Apps Node. js doesn’t support multi-threaded programming yet. It is able to serve way more complicated applications than Ruby, but it’s not suitable for performing long-running calculations. Heavy computations block the incoming requests, which can lead to decrease of performance .

Can Nodejs be used in production?

Node. JS is ideal for fast, lightweight, real-time web applications such as audio/video streaming, browser games, chats, collaboration tools social media, time trackers, and much more. For this reason, many companies decide to use Node. js in production.

Why express js is used?

It is used for designing and building web applications quickly and easily. Web applications are web apps that you can run on a web browser. Since Express. js only requires javascript, it becomes easier for programmers and developers to build web applications and API without any effort.

Who uses node JS?

15 Global Companies That Use Node. js

• LinkedIn. LinkedIn is the social network for professional connections.
• Netflix. Netflix is a streaming service for television and film serving millions of users worldwide and likely one of the most familiar to you of the companies using Node.
• Uber.
• Trello.
• PayPal.
• NASA.
• eBay.
• Medium.

What is crud app in Node JS?

The CRUD app performs mainly four operations like create, read, update & delete. All these operations are the most important to build any web applications. If you want to see the node js crud example with MySQL then you must read all the given points in this tutorial. So that you will be able to implement it in your project.

What is the use of MongoDB in NodeJS?

This nodejs tutorial is the extended tutorial of nodejs and express.js rest api tuts.I will use mongodb as a database and mongoose ORM to do operations on mongo models. I will create a HTTP rest call to fetch mongodb collections details, create record into mongodb, update record into mongodb and delete collections.

How to connect Node JS Express to MySQL database?

Write the following script to connect Node.js express to MySQL Database. File Name – database.js console.log(‘Database is connected successfully !’); Now, We are going to configure the first part of the CRUD operation. In this part, we have to create data into the database using Node.js & MYSQL. So, we must implement all the following steps –

How to create data from a CRUD table in JavaScript?

So, we must implement all the following steps – Include database connection file database.js Create a method createData with two parameters like inputData & callback and write SQL query to insert data into the crud table. callback – It will return the created value within itself.