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Lang.isFloat
Lang.maxFloat
Lang.minFloat
Lang.parseFloat
FUNCTION: Lang.float
Lang.float( )
The
Lang.float
function returns a boolean value that indicates whether the browser supports floating-point numeration. A
true
signifies that floating-point is supported. A
false
signifies that it is not supported.
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, each member function will return an
invalid
.
The
Lang.isFloat
function can be used to determine if a value can be converted to a floating-point number using the
Lang.parseFloat
function.
This function does not take a parameter.
Code for FloatExample.wml
<?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>
float example
</p>
<do type="accept">
<go href="FloatExample.wmls#findfloat()" />
</do>
</card>
<card id="card2">
<p>
floating-point = $(floattest)
</p>
</card>
</wml>
Code for FloatExample.wmls
extern function findfloat()
{
var result =
Lang.float( )
;
WMLBrowser.setVar("floattest", result);
WMLBrowser.go("FloatExample.wml#card2");
};
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