What is the Node.js
Node.js enables us to send request to the server and runs scripts server-side to produce dynamic web page.
Node.js can create, open, read, write, delete, and close files on the server asynchronously. basically Node.js are designed to be non-blocking and use callbacks to signal completion or failure which make it to handle tens of thousands of concurrent connections.
Node.js can add, delete, modify data in specified database. There are lot of available npm package for database interection.
It is very easy to create the development environment for node.js. To create your first node.js application you need to install node.js runtime on the system. You can download node.js runtime from Download Node.js
If you are using windows operation system, just install the Windows Installer (.msi) using the following steps:
Go to the page Node.js download and download the Windows Installer(.msi file).
After successfully download .msi file, you can run the installer by double click on the file. Follow the instructions on installer wizard interface. Installation may require Administrator privileges so ready for it.
After successfully installation, you can verfiy that Node.js was installed fully on your system by running the following command: