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Test your knowledge on React useEffect Dependencies and Cleanup Quiz (Beginner to Advanced Interview Prep). This quiz contains 10 questions.

Level: Beginner

Topic: use-effect

When does useEffect run by default?

In React, what happens when you use `useEffect` without providing a dependency array?

```javascript
import { useEffect } from "react";

function App() {
  useEffect(() => {
    console.log("effect");
  });

  return null;
}
```

Question 01 / 10