Setting default language to 'JavaScript' doesn't actually set it

Question

I'm using Notepad++ v7.5.8 (64 bit) on Windows 10.

I set my default language to Batch.

After creating a new doc, typing some code and hitting save - it'll automatically select *.bat as the file type.

^{Notice how it automatically chose those file types (by Save as type:)}

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However, this is not the case when I select JavaScript, it just shows All types (*.*)

I wonder if I'm doing something wrong when I change it.

^{(It does the correct syntax highlighting, just not the save as)}

Answer 1

I take it you type a new document and then save it.

Before saving, set in the Language menu the language to JavaScript, and then Notepad++ will suggest JavaScript file-extensions.