4 ms·It's an interesting way to not use XMLHttpRequest for Ajax.by Xymak1y 14y agoIt's an interesting way to not use XMLHttpRequest for Ajax.Spoom 14y agoI'm curious; why didn't they use an AJAX request?asto 14y agoBackward compatibility with really old browsers is all I can think of.ImJasonH 14y agoIt's also much less code. It only really works if you don't care about the content of the response, though you could add an onerror handler that would fire on all error cases.