Is there a way to open multiple files at once from vim?

Question

When launching vim from the command line, I can do for example vim *.txt to open all text files in a directory at once.

For some reason, trying the same fro

Answer 1

It's done in two operations.

Open all *.js files in as many vertical splits:

:argadd *.js
:argdo vs

in horizontal splits:

:argdo sp

in tabs: 

:argdo tabe