JS operators and expressions Flashcards
1
Q
What data type is returned by an arithmetic operation?
A
numbers
2
Q
What is string concatenation?
A
join strings together to create a new string using concatenation operator (+)
3
Q
What purpose(s) does the + plus operator serve in JavaScript?
A
addition or concatenation
4
Q
What data type is returned by comparing two values (, ===, etc)?
A
boolean
5
Q
What does the += “plus-equals” operator do?
A
add to the current existing value by x amount OR concatenation
ex) var totalPets = 2
totalPets +=3
totalPets == 5
