ReactJS

ReactJS -Components

⛪ Computer Science and Engineering > ReactJS

Test your knowledge of ReactJS Components with our interactive and challenging MCQ (Multiple Choice Questions) quiz. Covering topics such as functional components, class components, lifecycle methods, and JSX, our quiz is designed to help you improve your understanding of ReactJS Components and prepare for interviews or exams.

Q 1: What is the smallest building block of ReactJS?

  • A Props
  • B None of the options
  • C Components
  • D Elements

Q 2: Two building blocks of ReactJS are ______________.

  • A Components and Elements
  • B Props and States
  • C Keys and Lists
  • D Methods and Functions

Q 3: Arbitrary inputs of components are called __________.

  • A Elements
  • B Props
  • C Keys
  • D Ref

Q 4: Function that does not change its results for the same set of inputs are called __________.

  • A Pure functions
  • B Impure functions

Q 5: Props are mutable.

  • A False
  • B True