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Can you describe about componentDidCatch lifecycle method signature?

Peer-reviewed by HireXTech Technical Panel Updated for 2025/2026 hiring Editorial standards
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Interviewer Expectations for this Question
01
Core Competency

Assesses fundamental understanding of React conventions, runtime behavior, and memory/performance considerations.

02
Evaluation Criteria

Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.

Comprehensive Model Answer Verified Solution

The componentDidCatch lifecycle method is invoked after an error has been thrown by a descendant component. The method receives two parameters,

  1. error: - The error object which was thrown
  2. info: - An object with a componentStack key contains the information about which component threw the error.

The method structure would be as follows

     componentDidCatch(error, info);
     

Candidate Response Strategy & Interview Tips

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  2. Demonstrate real-world trade-offs: Discuss where this approach excels and when you would avoid it in production systems.
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