The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - Global and Local Var in JavaScript
Interactive Video
•
Information Technology (IT), Architecture
•
University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Read more
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a way to declare variables in JavaScript?
var
define
let
const
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial value of a variable declared but not assigned in JavaScript?
undefined
null
NaN
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where can a global variable be accessed in a JavaScript program?
Only in the global scope
Both inside and outside the function
Only outside the function where it is declared
Only inside the function where it is declared
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you try to access a local variable outside its function?
It returns null
It returns the last assigned value
It throws a reference error
It returns undefined
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes a local variable?
It is a variable that can be accessed by all functions
It is defined outside any function and accessible only within the global scope
It is defined within a function and accessible only within that function
It is accessible throughout the entire program
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade
Discover more resources for Information Technology (IT)
12 questions
IREAD Week 4 - Review
Quiz
•
3rd Grade - University
23 questions
Subject Verb Agreement
Quiz
•
9th Grade - University
7 questions
Force and Motion
Interactive video
•
4th Grade - University
7 questions
Renewable and Nonrenewable Resources
Interactive video
•
4th Grade - University
5 questions
Poetry Interpretation
Interactive video
•
4th Grade - University
19 questions
Black History Month Trivia
Quiz
•
6th Grade - Professio...
15 questions
Review1
Quiz
•
University
15 questions
Pre1
Quiz
•
University