Answers for "how to link external javascript to html page"

remove phpmyadmin from ubuntu

#remove phpmyadmin
#1
sudo apt-get purge phpmyadmin
or
sudo apt-get remove phpmyadmin
#2
sudo apt-get autoremove

uninstall php ubuntu 18.04

$ sudo apt-get purge php7.*
$ sudo apt-get autoclean
$ sudo apt-get autoremove

uninstall phpmyadmin

$ sudo apt-get purge phpmyadmin

how to link javascript to html

<script src="PathToYourFile.js"> </script>