Installing packages (dependencies vs devDependencies) in Node.js - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to install a package as a regular dependency.

Node.js

npm install [1]

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

Aexpress

B--save-dev express

C--global express

D--save-exact express

Attempts:

3 left

💡 Hint

Common Mistakes

Using --save-dev installs the package as a devDependency instead of a regular dependency.

Adding --global installs the package globally, not locally.

To install a package as a regular dependency, just use npm install package-name without extra flags.

2fill in blank

medium

Complete the code to install a package as a development dependency.

Node.js

npm install [1]

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

A--save-dev jest

Blodash

C--global jest

D--save-exact jest

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting the --save-dev flag installs the package as a regular dependency.

Using --global installs the package globally, which is not what you want here.

Use --save-dev to add a package only needed during development, like testing tools.

3fill in blank

hard

Fix the error in the command to install a devDependency.

Node.js

npm install [1]

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

A--save-dev

Bjest --save-dev

C--save-dev jest

D--dev jest

Attempts:

3 left

💡 Hint

Common Mistakes

Placing the package name before the flag causes an error.

Using --dev instead of --save-dev is invalid.

The correct syntax is npm install --save-dev package-name. The flag must come before the package name.

4fill in blank

hard

Fill both blanks to add a package as a regular dependency and save exact version.

Node.js

npm install [1] [2]

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

Aexpress

B--save-exact

C--save-dev

Dlodash

Attempts:

3 left

💡 Hint

Common Mistakes

Using --save-dev installs as a devDependency, not regular dependency.

Putting the flag before the package name can cause confusion.

Use npm install package-name --save-exact to install a regular dependency and save its exact version.

5fill in blank

hard

Fill all three blanks to install a package as a devDependency with exact version saved.

Node.js

npm install [1] [2] [3]

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

Ajest

B--save-dev

C--save-exact

Deslint

Attempts:

3 left

💡 Hint

Common Mistakes

Placing flags in the wrong order.

Using the wrong package name or missing flags.

The correct command is npm install --save-dev jest --save-exact to install jest as a devDependency and save its exact version.