Validating User Input Via WMLScript

In the following example, we will build a simple WML card that asks the user to input a social security number (an identification number used by the U.S. Social Security Administration). We will then use WMLScript to verify that the user s input was formatted correctly. Following this verification, we ll alert the user via WMLScript to let them know whether their number was accepted or not. This example, though simple, represents a typical usage of WMLScript on a client. To build this...n

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