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HomeArenaJavascript Quiz For Beginners

Javascript Quiz For Beginners

By Coding Artist

16th July 2023

963

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MCQ

351

Created on July 16, 2023

Javascript Quiz For Beginners

1 / 10

What is the correct way to declare a JavaScript array?

var myArray = []

var myArray = {}

var myArray = ()

var myArray = ""

2 / 10

What is the correct syntax for a single-line comment in JavaScript?

// This is a comment

/* This is a comment */

** This is a comment **

3 / 10

Which of the following is NOT a JavaScript data type?

number

string

boolean

float

4 / 10

What is the purpose of the "typeof" operator in JavaScript?

It checks if a variable is defined.

It returns the type of a variable.

It performs type conversion.

It assigns a type to a variable.

5 / 10

How do you call a function named "myFunction" in JavaScript?

call myFunction()

myFunction()

myFunction.call()

invoke myFunction()

6 / 10

Which array method adds one or more elements to the end of an array and returns the new length of the array?

push()

pop()

shift()

unshift()

7 / 10

What is the correct way to write an if statement in JavaScript?

if x === 5 { / code here / }

if (x === 5) { /* code here / }

if x = 5 then { / code here / }

if x = 5 { / code here / }

8 / 10

What is the result of the following expression: "5" + 2?

"52"

7

"7"

52

9 / 10

How do you access the length of a string in JavaScript?

string.size()

string.length

string.len()

string.length()

10 / 10

What is the purpose of the "setTimeout" function in JavaScript?

It sets a timer that executes a function after a specified time.

It delays the execution of a function by a certain time.

It clears a timer previously set by setTimeout.

It synchronously executes a function after a specified time.

Your score is

The average score is 67%

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2 COMMENTS

Sunny Sharma 18th July 2023 At 12:02 am

the beginner quiz is very good plz launch a advanced topic quiz of javascript.

Reply
Si paling eko khannedy 10th August 2023 At 7:37 pm

i made mistakes 🤣

Reply

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