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Questions and Answers

Which of the following is NOT a key feature of React?

  • Unidirectional data flow
  • Component-based architecture
  • Two-way data binding (correct)
  • Virtual DOM

What is JSX in React?

  • JavaScript Framework
  • JavaScript Extension
  • JavaScript Syntax
  • JavaScript XML (correct)

What is the purpose of React's state?

  • To define the structure and layout of a component
  • To make API requests
  • To handle user interactions and events
  • To store and manage data that can change over time (correct)

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Study Notes

Key Features of React

  • One of the key features of React is NOT a full-fledged framework, unlike Angular or Vue.js.

JSX in React

  • JSX is a syntax extension for JavaScript that allows you to write HTML-like code in your JavaScript files.
  • JSX makes it easy to create React elements, which are then used to render the UI.

Purpose of React's State

  • The primary purpose of React's state is to store the data that can change within a component.
  • State is an object that stores a component's dynamic data that can change over time.

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