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Express.js Pertanyaan dan Jawaban Wawancara

Test your skills through the online practice test: Express.js Quiz Online Practice Test

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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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