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Quiz of React

Total Questions: 8

Question No : 1

React is mainly used for _______ (if needed, google it)

Ans:

building User Interface

building Database

building User Data Flow

building Shop

Question No : 2

How do you declare a class called “myClass” in react?

Ans:

class = “myClass”

Class = “myClass”

className = “myClass”

I don’t know

Question No : 3

Which method will you use in react to display components for each object in an array?

Ans:

filter

find

map

for

Question No : 4

How will create a state with a default value “JingaLala”?

Ans:

const { name, setName } = useState(“JingaLala”);

[name, setName] = UseState(“JingaLala”);

const ( name, setName ) = useState(“JingaLala”);

const [name, setName] = useState(“JingaLala”);

Question No : 5

Why can’t we declare a class with the “class” keyword in React?

Ans:

We should use class instead of className

class is a reserved keyword in javascript

We can use any name

Question No : 6

What is  JSX?

Ans:

Javascript Html

Javascript XML

React XML

Javascript Http

Question No : 7

When creating a component in React, the first letter of that function name should be in ____

Ans:

Uppercase

Lowercase

I can use Both

Question No : 8

What is the correct way of creating a component in react?

Ans:

function nayika() { return <h3>Mousumi </h3>}

function Nokiya() [ return <h3> Mousumi <h3> ]

function Nayika() ( return <h3> Mousumi </h3> )

function Nayika() { return <h3> Mousumi </h3> }