Hi EaredGen,
1. Javascript webresource path reference in HTML is depends on both HTML and javascript webresource path names. This should always be a relative path, if you have maintained a folder structure while creating the webresources.
For example,
If your javascript webresource name is: new_MyJSWebresource and HTML webresource name is: new_MyHTMLWebresource then, your script source in HTML should be: <script src="new_MyJSWebresource"></script>
If your javascript webresource name is: new_MyJSWebresource.js and HTML webresource name is: new_MyHTMLWebresource then, your script source in HTML should be: <script src="new_MyJSWebresource.js"></script>
If your javascript webresource name is: new_/Scripts/new_MyJSWebresource.js and HTML webresource name is: new_MyHTMLWebresource then, your script source in HTML should be: <script src="new_/Scripts/MyJSWebresource.js"></script>
If your javascript webresource name is: new_/Scripts/new_MyJSWebresource.js and HTML webresource name is: new_/Webpages/MyHTMLWebresource then, your script source in HTML should be: <script src="../Scripts/MyJSWebresource.js"></script>
2. Calling method should be a complete name including namespace. In your case, it should be: DA.CRM.Contact.FormScripts.some()
I noticed one syntax error in your javascript code. There is a missing closing brace "}" for some: function. Fix this syntax error and try again, this could resolve your issue.