What is the main goal of react fiber?

358

Does React re-render all components and sub components every time setState is called?

430

When rendering a list what is a key and what is it's purpose?

355

What is the difference between a function in setState or passing an object?

378

Which feature can we use to cause a component to render only when its id changes?

544

What is a state in reactjs and how is it used?

393

How is react router different from conventional routing?

572

What is arrow function in react?

432

What are children prop?

352

What are state and props in reactjs? What is the difference between the two? Give a proper example of using state and props to elaborate the concept with complete source code?

408

What is meant by callback function? What is its purpose?

379

Is it possible to nest jsx elements into other jsx elements?

370

What is high-level component lifecycle in react.js?

473

How do you apply vendor prefixes to inline styles in react?

507

What is reactjs-jsx? Explain basic code snippet of jsx with the help of a practical example?

394