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Testing and Debugging

Practice debugging real React Native issues: error reading, debug panels, validation test cases, component scenarios, counter bugs, stable list keys, error boundary concept and a final Debug Lab App.

Some practice is being restored. Published theory and lessons are available now. A step with a missing exercise or quiz opens for reading and is not falsely counted as complete.
Completed0 / 9
Estimated time9 ч
Modules4
Lessons9

Course lessons

Open any published lesson. Program order controls credited progress, not access to the learning material.

1Debugging flow и error details3 lessons0 / 3
Map debugging flowOpen
Read error stateOpen
Debug state panelOpen
2Test cases и component scenarios2 lessons0 / 2
Validation test casesOpen
Component scenariosOpen
3Bug fixing patterns3 lessons0 / 3
Bug fix: counter не должен уходить ниже нуляOpen
Bug fix: стабильный key в спискеOpen
Error boundary conceptOpen
4Финальный Debug Lab App1 lessons0 / 1
Final project: Debug Lab AppOpen