How to install nodejs program

How to install the nodejs program: 1. Download the node.js application; 2. Open the installation package to start the installation, click "Agree to the installation agreement", and select the installation path, and then wait for the program installation to complete.

The operating environment of this article: Windows 7 system, Dell G3 computer, nodejs4.4.3.

This article will share with you the installation process of node.js and how to implement the first node.js program. I hope it will be helpful to everyone. This article mainly operates under Windows system

To start building Node.js applications, the first step is to install the node.js program. The Node.js program is available for a variety of operating systems such as Windows, Linux, and Mac OS. Once the Node.js program is installed, we can start building our first Node.js application.

Steps to install node.js

(1) Download node.js application

Download address: https://nodejs.org/en/download/

Installation package under Windows

32-bit installation package download address: https://nodejs.org/dist/v4.4.3/node-v4.4.3-x86.msi

64-bit installation package download address: https://nodejs.org /dist/v4.4.3/node-v4.4.3-x64.msi

(2) Open the installation package and start the installation

Click Run to start the installation program and agree to the installation agreement

Select the installation path, which can be your own customized path or the default path (the default path is selected in this case)

Select the installation form, click Next to continue the installation, or you can return to the previous step to modify the installation path

Click finish and the program installation is completed

After the installation is completed, we need to check whether the program has been installed successfully

Open the "Start" menu and enter "cmd" in "Search Files and Applications" to open the command prompt character, enter the path to check whether the installation is successful

If it is in the form of the above picture, the installation is successful. In addition, we can also check the installation version of our application

Enter "node --version" to check, see the picture below

After the installation is completed, we can start our first node.js program code

Program code

(1) First create a new file and save it in the nodejs folder. This case uses demo.js as an example.

(2) Open the demo. js file, enter the program code

function demo() {
   console.log("这是我的第一个node.js文件");
}
demo();

(3) Open "Start" and enter "cmd" in "Search Files and Applications" to open the command prompt and enter the demo.js file to run the program

The running results are shown in the figure below

Summary: The above is the entire content of this article. I hope that this article can give everyone a certain understanding of node.js. .

【Recommended course: node.js course】

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