# Spot the bug: React / Next.js

> One snippet. Find the bug, or prove there isn't one.

Daily challenge: 2026-08-19 (UTC) · Mid-Level

```tsx
import { useState } from 'react'

function Stepper() {
  const [count, setCount] = useState(0)

  const incrementBy3 = () => {
    setCount(count + 1)
    setCount(count + 1)
    setCount(count + 1)
  }

  return (
    <div>
      <p>Count: {count}</p>
      <button onClick={incrementBy3}>+3</button>
    </div>
  )
}
```

## Your verdict

- Security flaw
- Logic bug
- Code style
- No issue

One attempt per day. The answer shows up right after.

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