Please check the reference: Timestamp format - #2 by NCP
If you want to apply for all doctype, then check it reference: Any Idea to run JS script on any/specific doctype? - #2 by NCP
Please check the reference: Timestamp format - #2 by NCP
If you want to apply for all doctype, then check it reference: Any Idea to run JS script on any/specific doctype? - #2 by NCP