Are you asking to remove a JavaScript web resource library from a form event?
If yes, this is a very common issue in the modern form designer because Microsoft hid the “Remove” button in an unintuitive place.
There are actually two places where a script attaches to a form:
Form Libraries (the script file itself)
Event Handlers (the function being called on a form event)
To completely remove a web resource, you must remove both.
How to remove the web resource from the form
In the new form designer, the Configure Event dialog doesn't allow removing a library, you can only modify it.
To remove it completely, you need to go through Form Properties:
1)Open your table → Forms → Edit your main form
Select Form → Form Properties (top ribbon)
Under Event Handlers:
Select the function
Click the trash can icon to remove it
2)Then under Form Libraries:
Select your web resource (e.g., devco_quickedir)
Click Remove Library
3)Save & Publish the form
After this, the script will be fully removed from the form.
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