Frontend Test
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
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>
20
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
14
59
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
Which of the following extension is used to save the Node.js files?
.js
.node
.java
.txt
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
How can we select an element with a specific ID in CSS?
#
.
^
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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