how to export a funciton in module javascript code example

Example 1: 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');

Example 2: export function javascript

// module "mon-module.js"
export default function cube(x) {
  return x * x * x;
}