Express.js вопросы и ответы для интервью
Вопрос 1. What is Express.js?
Express.js is a web application framework for Node.js designed for building web applications and APIs.
Вопрос 2. How to install Express.js?
You can install Express.js using npm (Node Package Manager) by running 'npm install express'.
Вопрос 3. What is middleware in Express.js?
Middleware functions are functions that have access to the request, response, and the next function in the application’s request-response cycle.
Вопрос 4. Explain routing in Express.js.
Routing refers to how an application’s endpoints (URIs) respond to client requests. In Express, you can define routes to handle different HTTP methods and URL patterns.
Вопрос 5. What is the purpose of app.use() in Express.js?
app.use() is used to mount middleware functions in the application. It is executed every time a request is received.
Самое полезное по оценкам пользователей:
- How to handle errors in Express.js?
- What is Express.js?
- How to install Express.js?
- What is middleware in Express.js?
- What is the purpose of app.use() in Express.js?