Links

• Node.js module documentation

Module Demonstration

circle.js

var pi = 3.14;

exports.circumference = function(radius) {
  return radius * radius * pi;
};

exports.area = function(radius) {
  return 2 * radius * pi;
};

app.js

var circle = require('./circle');

var radius = 1;
console.log("Circ. with radius = 1:", circle.circumference(radius));
console.log("Area with radius = 1:", circle.area(radius));