Frontend Test

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Frontend Test Challenge

Test your knowledge of frontend technologies with our engaging quiz designed for developers and enthusiasts alike. Challenge yourself on key concepts in JavaScript, CSS, Node.js, and React.

In this quiz, you will:

Answer 12 multiple-choice questions
Receive instant feedback on your answers
Learn more about frontend development

12 Questions3 MinutesCreated by CodingGuru257

What will be output of following code snippet ?

<script type="text/javascript" language="javascript">

var x=12; var y=8; var res=eval("x+y");

document.write(res);

</script>

X+y

128

None of the Above

Which of the following keywords is used to define a variable in Javascript?

Var

Let

Both A&B

None of the Above

What will be the output of the following code snippet?

<script type="text/javascript"> a = 5 + "9"; document.write(a); </script>

Compilation Error

Runtime Error

What will be the output of the following code snippet?

(function(){

setTimeout(()=> console.log(1),2000);

console.log(2);

setTimeout(()=> console.log(3),0);

console.log(4); })()

1234

2431

2341

4321

Which of the following command is used to install the Node.js express module?

Npm install express

Node install express

Install express

None of the Above

To include the HTTP server in the node module, what function do we use?

Get()

Require()

CreateServer()

None of the Above

What type of CSS is the following code snippet?

<h1 style="color:blue;">A Blue Heading</h1>

Inline

Internal

External

None of the Above

Which of the following function is used to change the state of react component?

This.setState()

This.state()

This.changeState()

This.modifyState()

What are the two ways to handle data in React?

Services & Components

State & Services

State & Props

State & Component

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