How to define global variables in nodejs

This article mainly explains how to define global variables in nodejs. Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "how to define global variables in nodejs"!

In nodejs, global variables can be defined using the global object global, all global variables are attributes of the global object, and the syntax "global. variable name =" variable value ";"; can also be accessed using the "global. variable name" statement.

Operating environment for this tutorial: Windows 7 system, nodejs version 12.19.0, Dell G3 computer.

There is a special object in JavaScript called a Global Object, which and all its properties can be accessed anywhere in the program, namely a global variable.

In browser JavaScript, window is usually a global object, whereas in Node.js the global object is global, and all global variables (except global itself) are properties of the global object. In Node.js we can access global properties directly without including them in our app.

How to define global variables:

global. variable name ="variable value";

How to access global variables:

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