Navigator 2.0, Internet Explorer 3.0
A numeric value or expression to be used as the exponent.
ex, e raised to the power of the specified exponent, x.
Math.exp() computes ex, where e is the base of the natural logarithms, approximately 2.71828.
You can compute xy using Math.exp() with the following formula:
xy = ey*ln(x)
Math.exp(y * Math.log(x))