Lecture 12 Quiz: JavaScript Variables & Data Types

Note

Review before quiz: Lectures | Week 3 Content | Lab 3 | Assignment 3

Lecture 12 Self-Check

Question 1: Which keyword should be preferred for values that should not be reassigned?

Select an item

A. var

B. let

C. const

D. int

Question 2: Which JavaScript type represents textual data?

Select an item

A. Number

B. Boolean

C. String

D. Object

Question 3: Which operator checks strict equality (value and type)?

Select an item

A. ==

B. ===

C. =

D. !=

Question 4: Which method adds an element to the end of an array?

Select an item

A. push()

B. trim()

C. split()

D. charAt()

Question 5: Which declaration follows JavaScript variable naming rules?

Select an item

A. let name = 'A'

B. const my-name = 'A'

C. const 2name = 'A'

D. let if = 'A'