Express.js 面接の質問と回答
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質問 1. What is Express.js?
Express.js is a web application framework for Node.js designed for building web applications and APIs.
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質問 2. How to install Express.js?
You can install Express.js using npm (Node Package Manager) by running 'npm install express'.
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質問 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.
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質問 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.
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質問 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.
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ユーザー評価で最も役立つ内容:
- 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?