`sameSign()`

Determines if two or more numbers have the same sign (negative or positive).

This function is valid in v2.13.0 to v2.24.3. This function has been downloaded 65 times.

{number} number1

First number to be compared to all of the other passed numbers.

{number} number2

Second number to be compared to all of the other numbers passed.

{…number=} numberX Optional

All additional numbers, if any, to be compared to number1.

{boolean}

Returns true if all of the numbers are positive or all of them are negative, otherwise false is returned.