👨💼 Fantastic! You now know how to destructure objects and arrays like a pro.
You learned:
- 📦 Object destructuring - Extract properties into variables
- 🏷️ Renaming - Give destructured variables new names
- 🔄 Default values - Provide fallbacks for missing properties
- 📋 Array destructuring - Extract elements by position
- ➡️ Rest pattern - Collect remaining elements into an array
- 🎯 Parameter destructuring - Clean function signatures
🦉 Destructuring is everywhere in modern JavaScript:
// React hooks return tuples
const [count, setCount] = useState(0)
// Props destructuring
function Button({ label, onClick }: ButtonProps) {
return <button onClick={onClick}>{label}</button>
}
// API responses
const { data, error, isLoading } = useQuery('users')
Next up: Working with spread and rest operators for immutable data patterns!