Fixing AjaxSubmit Compatibility with jQuery 1.9

If AjaxSubmit stops working after a jQuery upgrade, inspect removed APIs and legacy event assumptions before blaming the form snippet itself.

A form flow that works on jQuery 1.8 can fail on 1.9 when the front-end glue code depends on behavior that was deprecated or removed. That is a front-end compatibility issue first, not necessarily an Evolution CMS issue.

What changed

Legacy AjaxSubmit integrations often assumed older jQuery methods, event semantics, or plugin conventions. Once the project upgraded to jQuery 1.9, the modal still opened but the submission logic no longer behaved the same way.

What to check

deprecated event shortcuts
plugin code that expects old jQuery internals
selector assumptions inside the AjaxSubmit wrapper
form callbacks that rely on removed APIs

Recommendation

When upgrading jQuery in an old Evolution project, test AjaxSubmit immediately. If it breaks, patch the JavaScript wrapper rather than rolling back the whole site unless you truly need the older stack.

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