7year of experience using Microsoft technology like asp, wpf, web api,wcf etc.Highly interested in solving problems using new technology like xamarin, bot, and other ©

Full Stack Developer. JavaScript, React, Node, GraphQL, PHP. ©

foo.js // const circle = require(`./circle.js`); console.log( The area of a circle of radius 4 is ${circle.area(4)} ); //circle.js const { PI } = Math; module.exports.area = (r) => PI * r ** 2; // the module can be ignored here module.exports.circumference = (r) => 2 * PI * r; //bar.js const Square = require(`./square.js`); const mySquare = new Square(2); console.log( The area of mySquare is ${mySquare.area()} ); //square.js // assigning to exports will not modify module, must use module.exports // the module can not be ignored here module.exports = class Square { constructor(width) { this.width = width; } area() { return this.width ** 2; } }; ©