AJAX communication between the client browser and web server is a handy method of transferring data without forcing the user to refresh the page. Typically, the data sent to the server is a simple set of form fields or flags. However, it is also possible to submit more complex structured data. This tutorial will demonstrate 3 different methods used to ...

Sometimes you need to execute a really long process after displaying a web page. For example, you may need to evaluate the data a user submitted, and that operation may take a lot of time. And since you're a thoughtful programmer, you don't want make the user stare at a blank page while they ...