ES Modules in Node.js MCQ | ECMAScript Modules Multiple Choice Questions

Direction: Choose the correct option

What file extension is commonly used for ES modules in Node.js?

A. .es6

B. .js

C. .module

D. .mjs

Direction: Choose the correct option

How do you import a module using ES module syntax?

A. import * as x from 'x'

B. Both B and C

C. import x from 'x'

D. const x = require('x')

Direction: Choose the correct option

How do you export a function as default in an ES module?

A. export default function() {};

B. exports.default = function() {};

C. export = function() {};

D. module.exports = function() {};

Direction: Choose the correct option

To use ES modules in a `.js` file, what must be set in `package.json`?

A. `esm: true`

B. `type: commonjs`

C. `type: module`

D. `module: es6`

Direction: Choose the correct option

Can you use `require()` inside an ES module?

A. No, by default; you need to use `import`

B. Only for core modules

C. Only with `--experimental-require`

D. Yes, always

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