jdalton/bean — comment on commit 9772c5c6451c7014d9dd6e5ccfa7f2919da0ff51
File: tests/benchmark.html line 167
By jdalton:

If you are in OSX Lion and attempt to run this in older Firefox's it may lock up the browser because Lion has a bug w/ older Firefox's and Java.
This is why I made it configurable via the url. To disable the applet simply append `?nojava=true` to the test url.