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React js data flow implementation?
Correct Answer : A
What is ReactJS?
Correct Answer : C
Which of the following API is necessary for React.js component?
Correct Answer : D
In React what is used to pass data to a component from outside?
Correct Answer : C
In component lifecycle which one is executed before rendering?
Correct Answer : C
Which of the following is correct syntax for a button click event handler, foo?
Correct Answer : D
Which method in a React Component should you override to stop the component from updating?
Correct Answer : B
Arbitrary inputs of components in React are called
Correct Answer : B
What function can be used to change the state of a React component?
Correct Answer : A
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
Which of the following is the correct data flow sequence of flux concept?
Correct Answer : B
What is Babel?
Correct Answer : D
How do you access a function fetch() from a h1 element in JSX?
Correct Answer : A
Which is used to update the state?
Correct Answer : B
Which of the following called fat arrow function in react?
Correct Answer : D
What function allows you to render React content in an HTML page?
Correct Answer : C
Everything in React is a _____________
Correct Answer : B
How do you write an inline style specifying the font-size:12px and color:red; in JSX
Correct Answer : B
What is a controlled input element?
Correct Answer : B
What will happen if you render an input element with disabled = {false}
Correct Answer : A
React JS uses _____ to increase performance
Correct Answer : B
Keys are given to a list of elements in react. These keys should be -
Correct Answer : C
When it is recommended to pass this.setState as a function instead of an object?
Correct Answer : B
Which of the following represented the Pre and post life cycle methods of components ?
Correct Answer : D
Which of the following method define default values for properties using props?
Correct Answer : D
What is the declarative way to render a dynamic list of components based on values in an array
Correct Answer : D
Props are __________ into other components
Correct Answer : A
In which directory React Components are saved?
Correct Answer : A
How many elements does a react component return?
Correct Answer : C