- prompt() is a method of the Global window object found in browsers. It's not part of the JavaScript language.

- window object is not defined in this environment.

- Step 1: npm init

Step 2: npm install prompt-sync

Step 3: Open the js file (name.js) in which you want to use prompt and import the prompt-sync as given below. (on line 1)

eg: const prompt = require("prompt-sync")();