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This function is for BASIC compatibility. It is not available in pure JavaScript projects.



Sgn returns an integer indicating the sign of a number. The required parameter, number, is any valid numeric expression. If number is less than zero -1 is returned, if number is greater than zero 1 is returned, if number is equal to zero, 0 is returned.

Example (BASIC)

Rem Sgn Example
'Sgn returns the sign of a number as -1 or 1
Dim Pos, Neg, Zero
Pos = Sgn(44)
Neg = Sgn(-17)
Zero = Sgn(100 - 100)
Print "Positive:", Pos
Print "Negative:", Neg
Print "Zero:", Zero


Positive:     1
Negative:     -1
Zero:  0

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