ReCaptcha may conflict with MooTools, reloading then failing

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Csaba Gulyás

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Mar 26, 2018, 10:25:01 AM3/26/18
to reCAPTCHA
I was tasked with updating ReCaptcha v1 in an (6-7 year) old project that had MooTools 1.2.0 in it.

After RC was swapped, on a specific page it started exhibiting an error:
Once loaded, after a few seconds it would reload, then after a few seconds it would display a broken panel saying "make sure your browser is up to date" and "why is this happening to me". At no point was I able to check the checkbox.


After hours of trying to debug, I narrowed down to the MooTools lib, and the solution was to load MooTools after recaptcha was loaded.

I don't know if MooTools is still actively developed, or if this problem persists with more current versions, but maybe this info will help someone.
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