Objective 2.2: Design and implement UI behavior

As browsers become more powerful, languages used to program the web also gain functionality and become more efficient. JavaScript, in particular, has become highly popular in web development. Microsoft has embraced popular JavaScript frameworks such as jQuery and KnockoutJS in MVC projects, and these libraries are now generally included in projects by default. Due to the universal popularity and usage of the jQuery library, developers should know its basic features and how to use them to implement a proper UI behavior.

JavaScript can control many of the basic functions within the UI, either for an element or across multiple elements. It enables you to perform client-side validation of form data before ...

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