Why do interviewers value debugging skills?
Because debugging is most of real development. Candidates who can methodically find and fix bugs using DevTools are far more valuable than those who only know syntax, since real work is mostly diagnosing and fixing.
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More FAQs in How to Demonstrate React DevTools Fluency in Interviews
Talk about the Components and Profiler tabs, use a real bug example you found with DevTools, mention the why-did-this-render feature, connect DevTools to inspecting hooks, and emphasize that you profile before optimizing.
Explain that you record a render, find which components are slow or re-render too much, and use the why-did-this-render feature to pinpoint the cause. Connect it to a specific performance bug you fixed.
Use the Components tab to inspect hook state inside a component. This is essential for debugging custom hooks and effects, since it shows you the current state of each hook in the component.
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