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Quiz - React - 2
Select the right answer for below questions:
What is the purpose of the props object in React?
To store the component's state
To store the component's event handlers
To pass data from a parent component to a child component
To store the component's styles
To pass data from a parent component to a child component
What is the difference between stateless and stateful components in React?
Stateless components are functional components, stateful components are class components
Stateless components don't have any state, stateful components have state
Stateless components can't have any logic, stateful components can have logic
Stateless components have a lifecycle, stateful components don't have a lifecycle
Stateless components are functional components, stateful components are class components
What is the use of the useState hook in React?
To manage side effects in functional components
To manage the global state of the application
To add state to a functional component
To handle events in a functional component
To add state to a functional component
What is the purpose of the map function in React?
To iterate over an array and return a new array with modified elements
To handle events in a component
To store the component's state
To pass data from a parent component to a child component
To iterate over an array and return a new array with modified elements
What is the use of the useContext hook in React?
To add state to a functional component
To manage side effects in functional components
To manage the global state of the application
To access data from a context in a functional component
To access data from a context in a functional component
What is the purpose of the ReactDOM.render method?
To update the state of a component
To handle events in a component
To pass data from a parent component to a child component
To render a component to the DOM
To render a component to the DOM
What is the use of the useReducer hook in React?
To manage complex state updates in functional components
To access data from a context in a functional component
To handle events in a functional component
To manage side effects in functional components
To manage complex state updates in functional components
What is the purpose of the React.createElement method?
To render a component to the DOM
To create a virtual DOM element
To handle events in a component
To pass data from a parent component to a child component
To create a virtual DOM element
What is the use of the useMemo hook in React?
To cache the result of a function that is expensive to compute
To handle events in a functional component
To add state to a functional component
To manage side effects in functional components
To cache the result of a function that is expensive to compute
What is the purpose of the React.Fragment component?
To render multiple children elements without adding extra nodes to the DOM
To access data from a context in a functional component
To handle events in a component
To pass data from a parent component to a child component
To render multiple children elements without adding extra nodes to the DOM
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