JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - Exercise Solution - The Difference Between Var, L
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Information Technology (IT), Architecture
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the task assigned in the exercise?
Create a function
Create a readonly variable using 'const'
Create an array
Create a variable using 'var'
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used to declare a readonly variable in JavaScript?
let
var
readonly
const
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you try to reassign a value to a 'const' variable?
An error occurs
The value changes
Nothing happens
The program crashes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if your console disappears while coding?
Restart your computer
Refresh the page
Ignore it
Close the browser
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is emphasized as the foundation for more complex JavaScript problems?
Learning JavaScript fundamentals
Using Python
Mastering CSS
Understanding HTML
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