Rocket loader errors: Uncaught DOM exception

Website, Application, Performance
1

For this page https://www.arcnineohnine.com/accessing-a-local-copy-of-online-only-manuals/

With Rocket loader enabled I get the following browser errors and images on the page don’t display in Chrome, Edge, FireFix or Brave:

Uncaught DOMException: Failed to execute 'setAttribute' on 'Element': 'online"' is not a valid attribute name.
    at https://www.arcnineohnine.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js:1:2328
    at NamedNodeMap.forEach (<anonymous>)
    at https://www.arcnineohnine.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js:1:2246
    at NodeList.forEach (<anonymous>)
    at g (https://www.arcnineohnine.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js:1:2147)
    at https://www.arcnineohnine.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js:1:12113
    at https://www.arcnineohnine.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js:1:12326
    at https://www.arcnineohnine.com/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js:1:12329

I’ve disabled Rocket loader in the Cloudflare control panel and the page again displays correctly.

What’s the best way to track down what’s going wrong? I’m using WordPress with the Divi theme. First time I’ve seen this issue.

Thanks for your advice.
A.

2

Is it only that page? Rocket Loader isn’t compatible with all Javascript. If it’s just that one page, you can bypass Rocket Load with a Page Rule.

3

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