Digging into “$(…).tipTip is not a function” error

What I searched for

"Uncaught TypeError: $(...).tipTip is not a function" Beaver Builder

Why I searched for it

When I was trying to load Beaver Builder’s settings page in the WordPress backend, I was getting this error in Chrome’s Javascript Console, thrown by line 58 in /bb-plugin/js/fl-builder-admin-settings.js (the line in question: $( '.fl-settings-form .dashicons-editor-help' ).tipTip();). The page wasn’t rendering. I (wrongly) assumed that the Javascript error was the culprit.

What I learned

The Javascript error was a symptom, not the cause. The cause was that the page’s source code wasn’t loading before the server reached PHP’s memory limit, which means that the Javascript containing the tipTip definition (/bb-plugin/js/jquery.tiptip.min.js) wasn’t being requested (it’s enqueued to load in the footer).

I still need to figure out why the page is so resource-intensive, but I was able to verify that increasing the PHP memory limit did let the page finish loading, including the TipTip plugin.

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