What is setCount? const [count, setCount] = useState(0);

Describe what is happening in this code? const { name: firstName } = person;

When using a portal, what is the second argument?ReactDOM.createPortal(x, y);

What is this pattern called? const [count, setCount] = useState(0);

What is the first file loaded by the browser in a basic React project?

You are rendering a list with React when this warning appears in the console: "Warning: Each child in a list should have a unique 'key' prop." How do you fix this issue?

In relation to ReactJS Flux function, how many and which of the following parameters are passed to the reducer function?

Which of the following statements are correct about ReactJS forms?

In relation to ReactJS Flux, which of the following options is used for specifying the changes that are triggered in an application?

.In ReactJS, which of the following options is used for storing the read-only data that is passed from a parent, and that data belongs to the parent and cannot be changed by its children?