javascript-operators-and-expressions Flashcards
1
Q
What data type is returned by an arithmetic operation?
A
number
2
Q
What is string concatenation?
A
joining 2 strings using a plus sign
3
Q
What purpose(s) does the + plus operator serve in JavaScript?
A
plus can be used for addition as well as string 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
short form to express left side variable addition or concatenation with the right side variable
