Crowdly

What command is used to run server.js file?

npm start

npm run serve

node server

node run

What is the purpose of the package.json file in a Node.js project?

To configure the database connection settings

To store the source code of the project

To define the routes for an Express.js application

To manage project dependencies and scripts

What is Node.js?

A programming language

A database management system

A front-end JavaScript framework

A cross-platform JavaScript

runtime environment

Which of the following is natively supported by

JavaScript?

interfaces

overloading

generics

multiple inheritance

modularity

polymorphism

Which of the above concepts are not best practices in software development?

Low Coupling

High Coupling

Low Cohesion

High Cohesion

Which of the following methods calls a function with a

given context this and individually

given arguments?

call()

apply()

create()

setContext()

bind()

For the

given source code, need to implement the Plane constructor function, which

takes 3 parameters: model, flightRange, maxSpeed and prototypically

inherits from Aircraft. Indicate which of the prototypal inheritance

implementations is correct.

What is the purpose of the prototype property in

JavaScript constructor functions?

It allows the creation of multiple instances of an

object

all of the above

It allows the sharing of properties and methods

among all instances of an object

It provides a way to extend the functionality of

built-in JavaScript objects

It defines private properties and methods for

objects