isFinite Method (JScript 5.6) 

Returns a Boolean value that indicates if a supplied number is finite.

isFinite(number) 

Remarks

The required number argument is any numeric value.

The isFinite method returns true if number is any value other than NaN, negative infinity, or positive infinity. In those three cases, it returns false.

Requirements

Version 3

Applies To: Global Object (JScript 5.6)

See Also

Reference

isNaN Method (JScript 5.6)