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ReactJS Upwork Test Answers 2019

1. Which of the following is true about Flux Dispatcher? Answers: • The dispatcher is used to broadcast payloads to registered callbacks. • Dispatcher is used to checking changes in DOM. • The dispatcher is used to set state in React application. • The dispatcher is used to send data to components. 2. PropTypes is used for ___ ? Answers: • getInitialState • Validation • getPropsValue • getDefaultProps • typechecking 3. What kind of application architecture is widely used together with ReactJs? Answers: • Flux • Flux with MVC • MVC • Singleton • Flex • Rex pattern • Fluxation architecture • JSX architecture 4. Can you use ReactJs without flux? Answers: • Yes, but then you will have to use MVC • Yes • No • No, it’s in core of ReactJS 5. Which statement about ReacJs is correct? Answers: • ReactJs uses MVC pattern to manipulate data flow inside application, that’s why it’s so easy to build native applications with it. • With ReactJs you can w...