DevGuru WMLScript Function: Lang.isFloat



			FUNCTION: Lang.isFloat Lang.isFloat(value) The 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. A true signifies that you can convert. A false signifies that you cannot convert. You can use the Lang.float function to determine if the browser supports floating-point arithmetic operations. Also, the Float Library contains several functions that are designed to be used with floating-point numbers. The value parameter is the string value that you need converted into a floating-point number. Code for IsFloatExample.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> isFloat example </p> <do type="accept"> <go href="IsFloatExample.wmls#findisfloat( )" /> </do> </card> <card id="card2"> <p> can convert = $(isfloattest) </p> </card> </wml> Code for IsFloatExample.wmls extern function findisfloat( ) { var str = Dialogs.confirm("Enter a string", ""); var result = Lang.isFloat(str); WMLBrowser.setVar("isfloattest", result); WMLBrowser.go("IsFloatExample.wml#card2"); };