ES Modules import and export in Node.js - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the default export from a module.

Node.js

import [1] from './mathUtils.js';

Drag options to blanks, or click blank then click option'

Asum

Bmath

Ccalculate

Ddefault

Attempts:

3 left

💡 Hint

Common Mistakes

Using curly braces for default import

Trying to import without specifying a name

The default export can be imported with any name you choose. Here, sum is used as the local name.

2fill in blank

medium

Complete the code to import a named export called 'multiply' from a module.

Node.js

import { [1] } from './mathUtils.js';

Drag options to blanks, or click blank then click option'

Asum

Bmultiply

Cdefault

Dcalculate

Attempts:

3 left

💡 Hint

Common Mistakes

Using default import syntax for named exports

Misspelling the export name

Named exports must be imported using curly braces with the exact exported name.

3fill in blank

hard

Fix the error in the import statement to correctly import all named exports as an object.

Node.js

import * as [1] from './mathUtils.js';

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Amath

Butils

Call

Dfunctions

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the * as syntax

Using invalid variable names

Using * as math imports all named exports under the object math.

4fill in blank

hard

Fill both blanks to export a named function and a constant from a module.

Node.js

export function [1]() { return 42; }
export const [2] = 'hello';

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AgetAnswer

Banswer

Cgreet

Dmessage

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same name for both exports

Using invalid JavaScript identifiers

The function is named getAnswer and the constant is named message.

5fill in blank

hard

Fill all three blanks to create a module that exports a default function and two named constants.

Node.js

export default function [1]() {
  return [2] + [3];
}
export const pi = 3.14;
export const e = 2.71;

Drag options to blanks, or click blank then click option'

AcalculateSum

Bpi

Ce

Dsum

Attempts:

3 left

💡 Hint

Common Mistakes

Using undefined variables inside the function

Not matching the exported constant names

The default exported function is named sum and it returns the sum of pi and e.