node-module-system

Question 1

What is a JavaScript module?

Answer 1

a way to organize and reuse code, to encapsulate specific functionality in a single unit, called a module, which can then be imported and used in other parts of your code.

Question 2

What values are passed into a Node.js module’s local scope?

Answer 2

exports: This is an object that is used to export values and functionality from the module, making them available to other modules that import it.

require: This is a function that is used to import other modules and access their exports.

module: This is an object that represents the current module and provides information about it, such as its filename and the exports object.

__filename: This is a global variable that contains the absolute path of the current module’s file.

__dirname: This is a global variable that contains the absolute path of the directory that the current module is located in.

Question 3

Give two examples of truly global variables in a Node.js program.

Answer 3

process … console