Frontend Summer internship Quiz -11

In which directory React Components are saved?

• Inside js/components/

• Inside vendor/components/

• Inside/components/

• Inside vendor/

How many elements does a react component return?

• 1 element

• 2 element

• Multiple Element

• None of the above

How to access the state of a component from inside of a member function?

• this.getstate()

• this.prototype.statevalue

• this.state

• this.values

Props are ______ into other components

• Injected

• Methods

• Both A and B

• All of these

In React What is used to pass data to a component from outside?

• setState

• props

• propo Types

• render with arguments

What is a React.js in MVC?

• Model

• Controller

• Router

• Middleware

ReactJS uses_____ to increase performance

• Virtual DOM

• original DOM

• Both 1&2

• None of the above

Keys are given to a list of elements in react. These keys should be

• Unique in the DOM

• Do not requires to be unique

• Unique among siblings only

• All the above

What does the "webpack" command do?

• None of the above

• A module bundler

• Runs react local development server.

• Transpiles all the Javascript down into one file

What are the limitations of ReactJS?

• React is only for view layer of the app so we still need the help of other technologies to get a complete tooling set for development

• React is using inline templating and JSX. This can seem awkward to some developers

• The library of react is too large

• All of these