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What is ReactJS?
Correct Answer : C
What is the second argument for setState useful for?
Correct Answer : A
Which of the following API is necessary for React.js component?
Correct Answer : D
In component lifecycle which one is executed before rendering?
Correct Answer : C
How do you write an inline style specifying the font-size:12px and color:red; in JSX
Correct Answer : B
In which directory React Components are saved?
Correct Answer : A
What is state in React?
Correct Answer : B
Arbitrary inputs of components in React are called
Correct Answer : B
When it is recommended to pass this.setState as a function instead of an object?
Correct Answer : B
Which method in a React Component should you override to stop the component from updating?
Correct Answer : B
What is Babel?
Correct Answer : D
Keys are given to a list of elements in react. These keys should be -
Correct Answer : C
Which of the following called fat arrow function in react?
Correct Answer : D
Which of the following method define default values for properties using props?
Correct Answer : D
How many elements does a react component return?
Correct Answer : C
Which is used to update the state?
Correct Answer : B
What is a controlled input element?
Correct Answer : B
Which of the following is the correct data flow sequence of flux concept?
Correct Answer : B
Which of the following represented the Pre and post life cycle methods of components ?
Correct Answer : D
React js data flow implementation?
Correct Answer : A
What will happen if you render an input element with disabled = {false}
Correct Answer : A
What is the declarative way to render a dynamic list of components based on values in an array
Correct Answer : D
Life cycle methods of a components fall under following categories?
Correct Answer : C
How can you access the state of a component from inside of a member function?
Correct Answer : B
Which method in a React Component is called after the component is rendered for the first time?
Correct Answer : B
Which helps react for keeping their data unidirectional?
Correct Answer : A
Everything in React is a _____________
Correct Answer : B
React.js covers only the view layer of the app.
Correct Answer : A
React JS uses _____ to increase performance
Correct Answer : B
What function allows you to render React content in an HTML page?
Correct Answer : C