Front End Final Assessment
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Professional Development
Professional Development
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used in JavaScript to create a subclass that inherits properties and methods from a parent class?
inherit
extends
subclass
implements
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between Promise.all() and Promise.race() in JavaScript?
Promise.all() returns the first resolved Promise, while Promise.race() returns an array of resolved Promises.
Promise.all() returns an array of resolved Promises, while Promise.race() returns the first resolved Promise.
Promise.all() waits for all Promises to reject, while Promise.race() rejects as soon as one Promise is rejected.
Promise. all() returns a promise that resolves to an array of values from the input promises while the Promise. race() returns a promise that resolves to the value from the first settled promise
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the following JavaScript code?
11
21
12
22
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be the Output of the Following JavaScript Code?
Error
6
2
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of These is Used to Declare a Constant Data Type?
constant
cons
const
cnst
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be the Output of the Given Code?
Undefined
20
Error
40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where Should You Insert JavaScript Code in an HTML Document?
The <head>section
The <body> section
Both <head> and <body> section
Anywhere in the HTML file
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