Javascript work in page composer but dont work out of page composer

Summary:

When using Page Composer in Oracle Fusion ERP to inject custom JavaScript, developers may encounter unexpected behavior where the script does not execute reliably on first page load.

The script does execute correctly after an ADF postback, such as clicking a button that triggers a partial page refresh.

I,m doing this in Purchase Requisitions in EDIT.

Test behaviour:

• Create or activate a sandbox with Page Composer enabled in Oracle Fusion ERP.

• Navigate to the target page (e.g., Purchase Requisitions) when Edit a PR.

• Use Page Composer to insert a custom HTML fragment with HTML Markup . Add your JavaScript inside a