how to create an export for node.js code example
Example: What is the syntax to export a function from a module in Node.js
function foo() {}
function bar() {}
// To export above functions:
module.exports = foo;
module.exports = bar;
// And in the file you want to use these functions,
// import them like this:
const foo = require('./module/path');
const bar = require('./module/path');