Code RoomArray index as list key
MediumPrep Room Coding #1813

Array index as list key

Code reviewDatabases & SQLMid–Senior~20 min

Review this React TypeScript component.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 20 min
Mark a line and say what kind of problem it is.0 findings
1function TodoList({ todos }: { todos: Todo[] }) {
2 return (
3 <ul>
4 {todos.map((todo, i) => (
5 <li key={i}>
6 <input type="checkbox" defaultChecked={todo.done} />
7 <EditableLabel text={todo.text} />
8 </li>
9 ))}
10 </ul>
11 );
12}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.