Javascript Fundamental Practice

Javascript Fundamental Practice

Professional Development

20 Qs

quiz-placeholder

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Javascript Fundamental Practice

Javascript Fundamental Practice

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

Frengky Sihombing

Used 33+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

What is the output of this code?

error arr[3](arr[2].address) is not a function

hello 22 Main st

helloundefined

true

2.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

What is the output of this code?

error .join() is not a function

error .split() is not a function

J A J A N G S I P E M B U R U

JAJANGSIPEMBURU

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

What is the output of this code?

33

2

9

error .sort is not invoked

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

const str = 'purwadhika jakarta'

How to get string "adhi"?

str.substring(4, 7)

str.slice(4, 7)

str.substr(4, 8)

str.substring(8, 4)

5.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

What is the output of this code?

10

false

NaN

10

false

2

true

false

false

true

false

2

6.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

What is the output of this code?

-9

"-9"

6

undefined

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

What is the output of this code?

[4,5,7,8,9,12]

[12,9,8,7,5,4,3]

undefined

[3,4,5,7,8,9,12]

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