chapter.checkpoint
Error Handling and Debugging
Pause here and make sure the main ideas feel clear before moving to the next chapter.
Review recommended
What you should understand now
Find problems calmly and build UI that explains failures.
Reading React errors
Use error messages as clues.
Error boundaries
Catch rendering errors in part of the UI.
Debugging state
Track how data changes over time.
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Before you move on
Use this quick review if anything still feels unclear.
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