JS Operators & Expressions

Question 1

What data type is returned by an arithmetic operation?

Answer 1

A number

Question 2

What is string concatenation?

Answer 2

Process of joining together two or more strings to create a new string

Question 3

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

Answer 3

Concatenation and addition when dealing with numbers

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

Add the right of the assignment operator to the variable and then assigns the result to the variable