Express.js Course
Express.js
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Beginner

res.status()

Definition

Sets the HTTP status for the response. It is a chainable alias of Node's `response.statusCode`. Standard REST practices require sending appropriate status codes (200 OK, 201 Created, 400 Bad Request, 404 Not Found, 500 Server Error).

Explain Like I'm New

Sets the HTTP status for the response.

Interactive Example

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Interview Questions

basic

  • What is the primary purpose of res.status() in Express.js?
  • How do you initialize res.status()?

intermediate

  • How does res.status() integrate with other middleware components?
  • Can you explain a common use case for res.status()?

advanced

  • What are the performance implications of res.status() in a high-traffic production application?
  • How would you debug issues related to res.status()?

trick

  • Is it possible to achieve the same result as res.status() without using Express?

Flash Cards

Question

Define res.status() in your own words.

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Answer

Sets the HTTP status for the response.

Question

When should you avoid using res.status()?

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Answer

It depends on the specific architectural requirements and performance bottlenecks of your application. Overusing it can sometimes lead to tightly coupled code.