# \*\*Unspecified JavaScript error\*\*

**URL:** <https://discourse.psychopy.org/t/unspecified-javascript-error/15691>\
**Category:** Online experiments\
**Created:** [August 13, 2020, 8:54am UTC](https://discourse.psychopy.org/t/unspecified-javascript-error/15691 "2020-08-13T08:54:54Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![thomas\_pronk](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/thomas_pronk/32/9531_2.png) [@thomas\_pronk](https://discourse.psychopy.org/u/thomas_pronk)\
**Post date:** [August 14, 2020, 2:31pm UTC](https://discourse.psychopy.org/t/unspecified-javascript-error/15691/2 "2020-08-14T14:31:22Z")

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Tricky! If you get uninformative error messages, it can be useful to remove parts of your experiment until it does work; that gives you an idea of what part causes the error.

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_[View the full topic](https://discourse.psychopy.org/t/unspecified-javascript-error/15691)._