Answers for "js script refer"

remove phpmyadmin from ubuntu

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

script src tag in html

<script type="text/javascript" 
         src="file.js">  
</script>

how to link javascript to html

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