WMLScript » Float » Float.pow
- Syntax:
- Float.pow(value, power)
- value
- The mandatory value parameter is the value that you want to raise to a power. It can be any positive or negative single-precision floating-point number or any positive or negative integer number, including zero. The floating-point number must occur on or between the largest number and the smallest nonzero number supported by the browser. These boundary values can be determined using the Float.maxFloat and Float.minFloat functions.
- power
- The mandatory power parameter is the power that you want to raise the value to. It can be any positive or negative single-precision floating-point number or any positive or negative integer number, including zero, but with the following limitation. If the value parameter is a negative number (floating-point or integer), then the power parameter can only be a positive or negative integer (not floating-point). If the power parameter is a floating-point number, it must occur on or between the largest number and the smallest nonzero number supported by the browser. These boundary values can be determined using the Float.maxFloat and Float.minFloat functions.
Raises a floating-point or integer number up to a power.
The Float.pow
function returns the result of raising a given value (number) to a
given power.
If the browser does not support
floating-point arithmetic operations, then the browser will not
recognize the Float Library, nor any of the member functions. In
this case, the Float.pow function returns invalid.
Examples
Code:
<?xml
version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD
WML 1.1//EN"
"http://www.WAPforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1">
<p>
pow
example
</p>
<do type="accept">
<go
href="PowExample.wmls#findpow()" />
</do>
</card>
<card id="card2">
<p>
number = $(number)
<br />
power =
$(power)
<br />
number raised to power = $(numtopow)
</p>
</card>
</wml>
Explanation:
Code for PowExample.wml
Language(s): WML
Code:
extern function
findpow()
{
var defaultvalue =
"71.348";
var num = Dialogs.prompt("Enter
any number", defaultvalue);
var
defaultpower = "2";
var powr =
Dialogs.prompt("Enter the power", defaultpower);
var numpowr = Float.pow(num, powr);
WMLBrowser.setVar("number", num);
WMLBrowser.setVar("power", powr);
WMLBrowser.setVar("numtopow", numpowr);
WMLBrowser.go("PowExample.wml#card2");
};
Explanation:
Code for PowExample.wmls
Language(s): WML
See Also:
