3 ms·What do you mean? Do you see a dozen stack frames? It's not embedded in 10 iFrames, is it?by DannoHung 17y agoWhat do you mean? Do you see a dozen stack frames? It's not embedded in 10 iFrames, is it?J_McQuade 17y agoNo, but the back button still works :]snprbob86 17y agoThat just means that your browser doesn't support tail recursion. Google's implementation is easily tail-call optimizable by any decent browser!