Lost code lines when Notepad++ crashed

Question

I was working on a .js file this morning on Notepad++, as usual, when the program just crashed. So I ended it, and re-opened it to see that all my code lines in my .js file,

Answer 1

When that option is enabled (and it is by default), Notepad++ keeps a backup copy of files you edit.

You can find the backups in the directory %APPDATA%\Notepad++\backup under the format filename@datetime.