
Semester 1 Exam Review
Quiz
•
Computers
•
8th Grade
•
Practice Problem
•
Medium
Gerbert Dado
Used 2+ times
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63 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is used to declare a variable in JavaScript?
var
let
const
All of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol is used for single-line comments in JavaScript?
//
/*
*/
#
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does NaN stand for in JavaScript?
Not a Number
Not a Null
Not a Name
Null and None
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will 5 == "5" return?
TRUE
FALSE
undefined
null
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will 5 === "5" return?
TRUE
FALSE
undefined
null
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which operator checks both value and type in JavaScript?
==
=
===
!==
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert a string to an integer in JavaScript?
parseInt()
toString()
Number()
stringify()
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