Why is my exercise is broken?

for example, I tried the exercise “sum all primes” and it didnt work the first time.
now when i try to enter the exercise again, the tab freezes and i cant reset the code!
please help!

You most likely created an infinite loop. Clearing your browser cache should solve it.


@BenGitter is probably right. Sounds like an infinite loop or infinite recursion. If you don’t want to lose all your progress by clearing the cache, just disable auto-run.

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