SakoMe

// Global 

const numbers = [1, 2, 3, 4, 5, 6]

const number = (n) => {
  return numbers[n]
}

console.log(number(4))

SakoMe

// CLASSES

class Dog {
  constructor() {
    this.sound = 'woof';
  }
  talk() {
    console.log(this.sound);
  }
}

SakoMe

export default function App() {
	const useFormInput = initialValue => {
		const [value, setValue] = useState(initialValue);
		const handleChange = event => setValue(event.target.value);
		return { value: value, onChange: handleChange };
	};

	const name = useFormInput('');
	const password = useFormInput('');