Uncaught DOMException: Failed to execute 'setAttribute' on 'Element': 'online..."' is not a valid attribute name

#1

The content won’t load only on one specific page (https://www.mediawant.com/watch?v=_rAr9cJ-z78) giving an error in all browsers:

Uncaught DOMException: Failed to execute ‘setAttribute’ on ‘Element’: ‘online…"’ is not a valid attribute name.

I cannot figure out what is causing this. Please help.

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#2

Try to disable Rocket Loader under “Speed”.

@cloonan @cscharff, who is the best contact for Rocket Loader related issues? This particular one even seems to be a bug in Rocket Loader itself and not a side effect breaking a site feature.

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#3

I will do not disable Rocket Loader right now. It helps your team reproduce this error and fix it quickly (I will keep error in 2 days). Thank you for your help.

Please notify me when the error has been fixed.

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#4

Honestly, I wouldnt expect that to be fixed all too quickly. I’d disable it and open a support ticket and include the stacktrace from the error message -> https://support.cloudflare.com/requests/new

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#5

Okay, thanks @sandro for reply thread quickly. I will disable Rocket Loader now to make my site working fine! :slight_smile:

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#6

I did review the HTML structure on my page (https://www.mediawant.com/watch?v=_rAr9cJ-z78). It has a mistake with double quote tag and makes it a wrong structure. I did fix it and Rocket Loader working fine.

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