Search Header Logo

REACT

Authored by Shital Madake

Professional Development

Professional Development

Used 11+ times

REACT
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

One can define default values for properties, props, using which of the following method?

getDefaultProps
getPropsValue
getInitialState

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Life cycle methods of a components fall under following categories?

Mounting, Unmounting
Mounting, Updating
Mounting, Updating, Unmounting

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following API is a MUST for every ReactJS component?

getInitialState
render
renderComponent
None of the above

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which method is not part of ReactDOM?

ReactDOM.destroy()
ReactDOM.hydrate()
ReactDOM.createPortal()
ReactDOM.findDOMNode()

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following API is a MUST for every ReactJS component?

getInitialState
render
renderComponent
None of the above

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

At the highest level, React components have lifecycle events that fall into

Initialization
State/Property Updates
Destruction
All of these

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What happens when the following render() method executes?<br /><br /> render(){<br /> let langs = ["Ruby","ES6","Scala"]<br /> return (<div><br /> {langs.map(it => <p>{it}</p>)}<br /> </div>)<br /> }<br />

Displays the list of languages in the array
Error. Cannot use direct JavaScript code in JSX
Displays nothing
Error. Should be replaced with a for..loop for correct output

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?

Discover more resources for Professional Development