In AJAX programming, one of the most important issues is to make sure that your requests back to the server are initiated after a web page has been completely loaded.In the past, developers had to resort to various techniques (DHTML, page events) that were used to detect when page loading has been completed. Browser object models differed diametrically. In addition, different versions of the same browser type had to be coded separately. Browsers have evolved since those early days, programming models have been (are being) updated to a point where there is enough commonality to allow for writin... [More]

Times of detecting a version number of a web browser hitting your site are probably behind us. However, there are still differences in DOM behaviour among leading browser implementations, especially when it comes to DOM event handling.Folks at Redmond and other places still cannot agree on programming syntax of DOM event processing. For this and any other scenarios where you need to code your Javascript for a particular browser type, you need to detect the browser type.This is done by checking a user agent header. Fortunately, we’ve got a navigator object that is available in all major b... [More]

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