javascript-operators-and-expressions

Question 1

What data type is returned by an arithmetic operation?

Answer 1

number

Question 2

What is string concatenation?

Answer 2

using the string operator + to combine strings together to create one string

Question 3

What purpose(s) does the + plus operator serve in JavaScript?

Answer 3

it can serve as an addition for arithmetic operators and a string operator for concatenation

Question 4

What data type is returned by comparing two values (, ===, etc)?

Answer 4

boolean

Question 5

What does the += “plus-equals” operator do?

Answer 5

adds a value of the right to the left variable