Page 160 - DCAP512_WAP_AND_WML

WAP & WML

Notes WMLBrowser setVar (“answer”, “Yes”);
}
extern function MyFunct() {
return “Yes”;

}

11.3.1 Working with Variables

Variables for WML Script functions are:
 weakly typed

 must be declared
 have a local scope
 must be one of these data types
 Boolean
 Integer

 Invalid
 Float
 String
Data Types

Table 11.2 represents the data types and their description.
Table 11.2

Data Type Description
Boolean Must be either True or False
Integer Integer from 2,147,483,648 to 2,147,483,647. Precede hex literals with “ox” or “oX”.
Precede octal literals with”0”
Invalid Literal variable. Indicates invalid values that may result from a floating-point
overflow
Float Floating point decimal numbers from +/- 1.17549435E-38 to +/-3.02823476E+38.
Specify literal exponents with “e” or “E”.
String Character string. Enclosed by single quotes or double quotes.

Variable: Declaring and Setting

var MyVar;
Setting a variable’s value
MyVar=”Welcome”;

MyVar=”6.5"
Other possibilities
 pre-increment

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