Express.js 면접 질문과 답변
Test your skills through the online practice test: Express.js Quiz Online Practice Test
Ques 16. How can you handle CORS in Express.js?
You can handle CORS by using the 'cors' middleware or by manually setting the appropriate headers in the response.
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Ques 17. What is the purpose of the 'express.Router' class?
The 'express.Router' class is used to create modular, mountable route handlers. It can be thought of as a mini Express application.
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Ques 18. Explain the concept of 'cookie-parser' middleware in Express.js.
'cookie-parser' is a middleware used to parse cookie headers and populate 'req.cookies' with an object keyed by the cookie names.
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Ques 19. What is the purpose of the 'helmet' middleware in Express.js?
'helmet' is a middleware that helps secure Express.js applications by setting various HTTP headers to prevent common web vulnerabilities.
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Ques 20. How can you implement session management in Express.js?
Session management in Express.js can be implemented using middleware like 'express-session' along with a session store.
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