JavaScript Quiz
Quiz
•
Computers
•
11th Grade
•
Practice Problem
•
Easy
Programmer Pro69
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used to declare a variable in JavaScript?
Which keyword is used to declare a variable in JavaScript?
let
const
var
All of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a valid JavaScript data type?
Which of the following is NOT a valid JavaScript data type?
String
Boolean
Number
Object
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the following code: "5" + 5?
What is the result of the following code: "5" + 5?
10
"55"
"10"
NaN
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the acronym "JSON" stand for in JavaScript?
JavaScript Object Notation
Java Script Output Note
JavaScript Object Namespace
Java Script On-The-Go
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the "NaN" value represent in JavaScript?
"New and Nice" value
"Not a Number" value
"No Available Number" value
"Never Again" value
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a valid way to declare a variable in JavaScript?
let myVar;
const myVar;
myVar;
var myVar;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following loop statements will always execute at least once?
for loop
while loop
do-while loop
All of the above
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