Javascript-operators-and-expressions-Q&A Flashcards

1
Q

What data type is returned by an arithmetic operation?

A

An integer value.

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2
Q

What is string concatenation?

A

Concatenation is the process of appending one string to the end of another string. You concatenate strings by using the + operator.

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3
Q

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

A

The + operator is used to perform both addition and string concatenation in JavaScript.

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4
Q

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

A

Boolean I.E. true false statement

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5
Q

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

A

adds the value on the right, to the variable on the left, and then assigns that value back into the variable on the left.

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