Khan/khan-exercises — Issue #6964: Congruency postulates - Browser hangs on submission of answer
Author: KhanBugz
Created: 2011-11-23 12:09:28+00:00
State: open
Labels: chrome, wrong-or-unclear

Reporter: tiwoc@arcor.de

When taking the "Concurrency Postulates" exercise, the website seems to go into an infinite loop as soon as I click the "Check Answer" button. It does not matter what I did with the shape or the answer box before. It happens both with Firefox and Chromium.

[congruency_postulates.html?seed=79&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=79&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=79&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.1 (KHTML, like Gecko) Ubuntu/11.10 Chromium/14.0.835.202 Chrome/14.0.835.202 Safari/535.1

MathJax is loaded, ready, queue length: 0