Easy
What will this component display?
const ComponentA=({value})=><div>{value + 1}</div>;
const ComponentB=({value})=><div>{value - 1}</div>;
const MyComponent=()=>(
<>
<ComponentA value={-1}/>
<ComponentB value={1}/>
</>
);
Author: Vincent CotroStatus: PublishedQuestion passed 3916 times
Edit
10
Community EvaluationsNo one has reviewed this question yet, be the first!
10
Write a React component that updates the document title with each click and resets to 'React App' when the component unmounts.11
Use useCallback to optimize rendering in React15
Save the state used to display the selected page in a React component.18
Call a function on the first render of a React component17
Write a React component as a function35
Write the non-JSX equivalent of the following code:29
Write the missing code to render the children of the UserProfile component.