WMLScript » Lang » Lang.isInt
- Syntax:
- Lang.isInt(value)
- value
- The value parameter is the string value that you need converted into an integer.
Determines if a value can be converted to an integer.
The Lang.isInt function returns a
boolean value that indicates whether a string value can be converted
into an integer number using the Lang.parseInt function. A
true signifies that you can convert. A false signifies
that you cannot convert.
The companion
Lang.isFloat function returns a boolean value that indicates
whether a string value can be converted into a floating-point number
using the Lang.parseFloat function.
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>
isInt
example
</p>
<do type="accept">
<go
href="IsIntExample.wmls#findisint( )" />
</do>
</card>
<card id="card2">
<p>
can convert = $(isinttest)
</p>
</card>
</wml>
Explanation:
Code for IsIntExample.wml
Language(s): WML
Code:
extern function
findisfloat( )
{
var str =
Dialogs.confirm("Enter a string", "");
var
result = Lang.isInt(str);
WMLBrowser.setVar("isinttest", result);
WMLBrowser.go("IsIntExample.wml#card2");
};
Explanation:
Code for IsIntExample.wmls
Language(s): WML
See Also:
