Creating documents in Express - Quick Revision & Summary

Recall & Review

beginner

What is the main purpose of creating documents in Express?

Creating documents in Express usually means generating and sending files like HTML, JSON, or PDFs as responses to client requests.

beginner

Which Express method is commonly used to send JSON documents to the client?

The res.json() method sends a JSON document as the HTTP response.

intermediate

How do you send an HTML document as a response in Express?

You can use res.send() with an HTML string or use res.render() if you have a template engine set up.

intermediate

What is the role of middleware when creating documents in Express?

Middleware can process data, generate documents, or modify responses before sending them to the client.

beginner

How can you serve a static document file like a PDF in Express?

Use res.sendFile() with the file path to send static files like PDFs to the client.

Which Express method sends a JSON document as a response?

A res.json()

B res.sendFile()

C res.render()

D res.download()

res.json() sends JSON data as the HTTP response.

To send an HTML page using a template engine in Express, you use:

A res.sendFile()

B res.json()

C res.render()

D res.download()

res.render() renders a template and sends HTML to the client.

Which method is best to send a static PDF file to the client?

A res.json()

B res.send()

C res.render()

D res.sendFile()

res.sendFile() sends static files like PDFs.

Middleware in Express can be used to:

A Only log requests

B Modify responses before sending documents

C Replace Express router

D Serve static files only

Middleware can modify or generate responses before sending documents.

Which method sends a plain string or HTML directly as a response?

A res.send()

B res.render()

C res.json()

D res.download()

res.send() sends strings or buffers as responses.

Explain how you would send a JSON document and an HTML document in Express.

Think about the response methods for different content types.

Describe how middleware can help when creating and sending documents in Express.

Middleware acts like a helper in the request-response cycle.