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BackgroundYou are developing an online shopping web application.

Background

You are developing an online shopping web application.

 

Business Requirements

  • A user is not required to provide an email address. If a user enters an email address, it must be verified to be a valid email address.
  • Information about the first product on the product page must fade out over time to encourage the user to continue browsing the catalog.
  • Administrators must be able to edit information about existing customers.
  • Administrators also must be able to specify a default product on the product page.

 

Technical Requirements

 

General:

  • The web store application is in a load-balanced web farm. The load balancer is not configured to use server affinity.
  • The web store application is an ASP.NET MVC application written in Visual Studio.

Products:

  • The value of the productId property must always be greater than 0.
  • The Products page for mobile devices must display to mobile users. The Products page for desktop devices must display to desktop users.

Storage:

  • The data must be stored in a serialized XML data format.
  • Serialized objects must be schema-independent.

Exception handling:

  • Exceptions originating from IIS must display a page with support contact information.
  • Some page links expire, and users who access these links encounter 404 errors.
  • Exceptions must be logged by using the WriteLog method of the Utility class.

Browser and device support:

  • The application must support image format conversions from .bmp to .jpeg for mobile devices.
  • The application must support image format conversions from .bmp to .png for desktop devices.

Application Structure





You need to implement client-side animations according to the business requirements.

Which line of code should you use? (Each correct answer presents a complete solution. Choose all that apply.)

A. $ (-h1: first-) .animate ({ opacity: 0 });

B. $(-h1:first-).fadeIn(1000);

C. $(-h1:first-).animate({ opacity: 1 });

D. $(-h1:first-).fadeOut(1000);

Explanation:

From scenario: Information about the first product on the product page must fade out over time to encourage the user to continue browsing the catalog.


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