What drives me nuts about doing JS is that the browser execution model seems vague. In python, I can have the if __name__=='__main__': main() at the end if a

What drives me nuts about doing JS is that the browser execution model seems vague. In python, I can have the if __name__=='__main__': main() at the end if a script, and easily import the script's functions into - pytest for testing - some other module for larger modules - into a cli.py file to slap a Click interface on it. What a great blend of flexibility while retaining coherence.