To answer this question, you need to understand what WMLScript is used for.
WMLScript is a scripting language specifically designed for use in Wireless Markup Language (WML) applications. It is used to add interactivity and dynamic functionality to mobile web pages.
Let's go through each option to understand why it is correct or incorrect:
Option A) Validate user input - This option is incorrect. WMLScript can be used to validate user input in a mobile web application. It can perform checks on user input and ensure that it meets certain criteria before processing it further.
Option B) View Error Messages - This option is incorrect. WMLScript can be used to display error messages to users in a mobile web application. It can be used to handle various types of errors and provide appropriate feedback to the user.
Option C) Generate dialog boxes - This option is incorrect. WMLScript can be used to generate dialog boxes in a mobile web application. Dialog boxes can be used to prompt the user for input, display messages, or provide options for the user to choose from.
Option D) None - This option is correct. WMLScript is not used to perform none of these operations. It is used for adding interactivity and dynamic functionality to mobile web pages, but it does not have a specific role in validating user input, viewing error messages, or generating dialog boxes.
The correct answer is D) None.