Rest API - HTTP Status Codes
Identify the error in this Express code snippet:
app.get('/data', (req, res) => {
res.status(200);
res.json({ data: 'info' });
});Identify the error in this Express code snippet:
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Express response chaining
res.status sets the status code and returns the response object for chaining.Step 2: Check usage of res.json after res.status
Calling res.json after res.status is valid and sends the response with JSON and status.Final Answer:
No error, code is correct -> Option BQuick Check:
res.status + res.json chaining = C [OK]
Quick Trick: res.status can chain with res.json or res.send [OK]
Common Mistakes:
- Thinking res.status must be last
- Believing res.json can't follow res.status
- Forgetting res.end is needed
Master "HTTP Status Codes" in Rest API
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