Express JS Quiz: Test Your Knowledge

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Questions and Answers

What is Express.js primarily designed for?

Building APIs, web applications, and cross-platform mobile apps (correct)

Building desktop applications

Building game engines

Data analysis

What does 'unopinionated' mean in the context of Express.js?

It only supports a single programming language

There is no strict way to write code using Express.js (correct)

It restricts the use of third-party libraries

It enforces a specific coding style

How does Express.js compare to writing code using the core modules of Node.js in terms of time efficiency?

It takes the same amount of time to write code

It takes more time to write code

It is not designed for time efficiency

It takes 5 to 10 times less code and time to write a REST API (correct)

What type of programming does Express.js support?

Asynchronous programming Signup and view all the answers

What is one of the key features of Express.js related to handling application's endpoints URLs?

Routing Signup and view all the answers

What is Express.js primarily used for?

Building APIs, web applications, and cross-platform mobile apps Signup and view all the answers

What does it mean when it's mentioned that Express.js is unopinionated?

It does not enforce a strict way to write code Signup and view all the answers

Why is Express.js considered time-efficient?

It takes 5 to 10 times less code and time to write a REST API Signup and view all the answers

What is a key feature of Express.js for server-side development?

Middleware Signup and view all the answers

In what way does Express.js support asynchronous programming?

It supports non-blocking operations Signup and view all the answers

Describe Express.js and its main purpose.

Express.js is a Node.js framework designed to build APIs, web applications, and cross-platform mobile apps quickly and easily. Its main purpose is to provide a time-efficient, fast, and lightweight solution for server-side development with the features of Node.js. Signup and view all the answers

What are some key benefits of using Express.js?

Express.js saves time, requires less code, is fast, money-efficient, and easy to learn. It also supports asynchronous programming and provides middleware and routing features. Signup and view all the answers

How does Express.js compare to writing code using the core modules of Node.js in terms of time efficiency?

Express.js saves a lot of time compared to writing code using the core modules of Node.js. Using Express.js, it takes 5 to 10 times less code and time to write a REST API. Signup and view all the answers

What is meant by the term 'unopinionated' when referring to Express.js?

In the context of Express.js, 'unopinionated' means that there is no strict way to write code using the framework, allowing developers more flexibility and freedom in their coding approach. Signup and view all the answers

What are two key features of Express.js for server-side development?

Express.js provides middleware, which is a request handler that has access to the application's request-response cycle, and routing, which determines how an application's endpoints URLs are handled. Signup and view all the answers

Study Notes

What is Express.js

A Node.js framework for building APIs, web applications, and cross-platform mobile apps quickly and easily
Designed to be highly performant, fast, lightweight, and unopinionated
No strict way to write code using Express.js

Benefits of Using Express.js

Saves a lot of time compared to writing code using Node.js core modules
Reduces code and time by 5 to 10 times when writing a REST API
Time-efficient, fast, money-efficient, and easy to learn

Features of Express.js

Server-side development with Node.js features
Supports asynchronous programming
Middleware: request handler with access to the application's request-response cycle
Routing: how an application's endpoints URLs are handled