Availability
JavaScript 1.2; JScript 3.0; ECMAScript v1
Synopsis
isFinite(n)Arguments
n
The number to be tested.
Returns
true if n is (or can be
converted to) a finite number or false if
n is NaN (not a number)
or positive or negative infinity.
See Also
Infinity, isNaN( ), NaN, Number.NaN, Number.NEGATIVE_INFINITY,
Number.POSITIVE_INFINITY