Easy
What will this component display?
const MyComponent=()=>{
const[index, setIndex]= useState(1);
useEffect(()=>{
setIndex(2);
},[]);
return<div>{index}</div>;
};
Author: Vincent CotroStatus: PublishedQuestion passed 3560 times
Edit
9
Community EvaluationsNo one has reviewed this question yet, be the first!
20
Write the missing code to render the children of the UserProfile component.8
Write a React component that displays the sum of two numbers12
Call a function on the first render of a React component8
Write a React component that updates the document title with each click and resets to 'React App' when the component unmounts.28
Write the non-JSX equivalent of the following code:10
Save the state used to display the selected page in a React component.14
Write a React component as a function