jQuery ajax performance tuning
Modern web applications are all about user experience and a major factor in this is performance. A user interface that is laggy or gives the appearance of slowness will drive users away as quickly, if not more quickly, than an ugly and unintuitive one. This having been said, sometimes there are things that are just plain slow. Answering questions like "calculate the price for all 2 million products we sell in the north american market and present the top 10 with at least 50 in stock at a Distribution center within 50 miles" can often take some time. Couple these complex business rules with rich and powerful user interfaces and you have a potential for slowness to silently creep into your application. Digging through a few of the more modern javascript libraries, there are a number of strategies to combat this. We'll use the jquery datatable to illustrate some simple speedups that might apply. For our situation, let's pretend the above mentioned query takes 50...