WAP Development with WML and WMLScript

Lang Library

The Lang library contains functions closely related to the WMLScript language core.

abort

Description: This function will interrupt the processing of the WMLScript and return the value of errorDescription (which must be a string) to the device.

Syntax: Lang.abort(errorDescription)

Example: The following example interrupts WMLScript processing, and displays the error message:

// Compare passwords
if (password1!=password2) {
    // Passwords do not match
    Lang.abort("Passwords do not match!");
}

abs

Description: This function returns the absolute value of a specified number. If value is of type integer, then the result is of type integer. If value is of type floating point, then the result is of type floating point. If value is not one ...