React JS Quiz April 18, 2020 Padhmanaban 1. Which of the tools allow you to test React Application? React Testing Library Jest Mocha Jasmine 2. Which of the following Lifecycle phase are externally controlled by ReactDOM? Updating UnMounting Catching Mounting 3. In stateless functional components, are we able to specify "propTypes" & "defaultProps" as a property on the function?YesNo4. What kind of error types are not caught by Error Boundaries?Event HandlerRenderingConstructorLifecycle Methods5. Which of the following are basic features of the react library? Server-side Rendering Declarative Paradigm propTypes Validation Virtual-DOM 6. const { blogger, programmer } = profile?Spread OperatorDefault AssignmentArray DestructuringDestructuring Assignment7. What type of diffing algorithm, React using to find the difference between Actual and in-memory DOM while "state"change/update?MemeticSimulation OptimizationHeuristicEvolutionary8. What are the different way to pass a props into the React.Component? defaultProps propTypes Parent Component setState() 9. Which of the following are parts of "propType" validation? PropTypes.undefined PropTypes.array PropTypes.func PropTypes.int 10. Which of the following "Events" are dependent on the browser specification in React?Wheel EventsTouch EventsTransition EventsPointer Event11. In React, what this.setState() method will return?ArrayObjectVoidBooleanTime is Up! Time's up
