This is the syntax I'm using.

const [count, setCount] = useState(0); const handleIncrement = () => { setCount((count + 1)); };

I understand that setCount is creating an instance of count, but I really don't understand how it is changed if count is a constant, or how it is called and returns the latest value if it is an instance.

Every time React re-renders the page, doesn't it read the constant count first?

Everything looks normal to me, but I can't understand why.