React
11 practice items · needed by 2 roles
Easy 4Medium 4Hard 3
Practice questions
- Why React lists need keyseasy
- Input that ignores typingeasy
- Changing a prop inside a childeasy
- Multiple setState callsmedium
- Form keeps the previous user datamedium
- Cause of a hydration mismatchhard
- Why React.memo did not helphard
- Keys for rows loaded from an APIeasy
- Search shows results for old inputmedium
- User bios rendered as HTMLmedium
- Hydration mismatch with timehard