Camp 1_30

What does a variable in JavaScript point to?

• A function

• A specific memory address that stores a value

• A CSS style

• A HTML element

What is the term for assigning a value to a variable at the moment of its declaration?

• Initialization

• Compilation

• Execution

• Declaration

How are strings represented in JavaScript?

• As numbers

• As sequences of characters enclosed in quotes

• As boolean values

• As arrays

What does it mean when strings are described as immutable in JavaScript?

• They can be changed after creation

• They cannot be changed after creation

• They can be deleted

• They can be converted to numbers

What is the convention for naming variables with more than one word in JavaScript?

• Snake case

• Upper case

• Camel case

• Lower case

What is the default value of an uninitialized variable?

• null

• 0

• undefined

• empty string

Which data type can hold a series of values?

• String

• Number

• Array

• Boolean

How are arrays denoted in programming?

• Curly braces {}

• Parentheses ()

• Square brackets []

• Angle brackets <>

What operation can you perform with the number data type?

• Concatenation

• Subtraction

• alphabetize OR

• Logical AND

What does the .length property of an array return in JavaScript?

• The last element of the array

• The first element of the array

• The number of elements in the array

• The sum of all elements in the array