jQuery vs MicrosoftAjax in ASP.NET MVC

Question

Under what circumstances would you use MicrosoftAjax over jQuery in an ASP.NET MVC application?

According to Scott Cate in this podcast Object Oriented AJAX with Scott C

Answer 1

Go with jQuery - even Microsoft has seen the error of their ways. The next version of Visual Studio will include jQuery and support it with intellisense. You're also entirely correct regarding the simple plugin. MS Ajax, while sometimes easier to work with initially, is slow and bloated.