ReactJS 18 quiz advanced level

Test description

Designed for advanced React developers, this quiz allows you to test advanced general knowledge and practical know-how about some of the most used parts in React JS.
Topics: Hooks, Ref, HOCS, States, React Context, Error Handling, and Optimization.

Sample questions

1
Select the correct code declaration to pass a ref property to a child component:

React.Memo(Component, ({newRef}) => (
	<div ref={newRef}/>
));

React.Memo(({newRef}) => { 
	const ref = React.createRef(newRef)
	return <div ref={ref}/>
});

React.forwardRef(({newRef}) => ( 
	<div ref={newRef}/> 
));

React.forwardRef((props, newRef) => ( 
	<div ref={newRef}/> 
));

Results between 1-5 / 20	13.95%
Results between 6-10 / 20	9.3%
Results between 11-15 / 20	37.21%
Results between 16-20 / 20	39.53%
Average results 13 / 20

ReactJS 18 quiz advanced level

Test description

Sample questions

Related tests

ReactJS quiz medium level

Angular 8 quiz medium level

JavaScript ES6 quiz advanced level

JavaScript quiz beginner level

Vue.js quiz beginner level