Install NodeJS from scratch

This time I will bring you how to install NodeJS from scratch. What are the precautions for installing NodeJS? The following is a practical case, let's take a look.

1.If you want to use Node.js, you must first configure the development environment. Enter the Node.js official website to download the designated platform installation package (nodejs.org). For Windows systems, download and install the red-boxed installation package. For macOS, download and install the blue-boxed installation package. Check whether your computer is 32-bit or 64-bit. Just keep going to the next step until you're done.

The development of Node.js is very active, and it is updated in two versions:

Odd-numbered versions: You can experience the new features of Node;

Even-numbered version: There are no radical new feature updates, and it is more suitable for production environments;

The odd-numbered version is unstable, and the even-numbered version is stable.

2. After configuring the development environment, enter node(space)--version or node(space)-v in the cmd control panel, and you will get a The result, and this result is the version number of Node.js, that is, the installation is successful.

3.Interactive operation. Enter node in the cmd control panel and press Enter to enter the NodeJS compilation environment. In this environment, you can enter any code that conforms to the NodeJS syntax specification and press Enter to get the result immediately.

4.Compiled operation. Use the cmd control panel to enter the directory folder where the js file you want to run is located. If your sum.js file is on the desktop, enter (cd is the entry command) desktop directory (Desktop), enter node (space) sum. js, press Enter to get the result.

5. If you feel that you will develop NodeJS for a long time, it is recommended to use nvmw (windows environment), n (non-windows environment).

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

How express mock operates front and backend parallel development

How to direct HTTP in Express to HTTPS

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