In relation to react test utilities, which of the following options is used for checking the user supplied instance and returning true if instance is a user-def‌ined component. such as a class?

Choose True or False

In relation to React Flux, only the root component should be aware of a redux.

Choose the correct type(s) of React component(s).

Which of the following React components is responsible for displaying the collection controls and a list of tweets?

Which of the following is the correct syntax of the ReactDOM.render() method that is used for rendering React elements?

A browser's native events are wrapped into which of the following objects by React for ensuring that all the supported events behave identically in Internet Explorer 8 and higher versions?

Consider the following component. What is the default color for the star? const Star = ({ selected = false }) => ;

Which function is used to update state variables in a React class component?

Per the following code, when is the Hello component displayed? const greeting = isLoggedIn ? : null;

Which choice will not cause a React component to rerender?

Which library does the fetch() function come from?