Test: Quiz description (optional)
Learning Mode
Progress:
8 of 10
Quiz Preview Mode
You're taking this quiz in preview mode with real feedback! Experience how our detailed explanations help you learn. Your progress won't be saved permanently.
Question
8
Co się stanie po wykonaniu w przykładzie kodu:
```javascript
let tytul = document.getElementById("naglowek");
tytul.textContent = "Nowy tytuł";
```
Select one answer.
