Answers for "how to link js file in html header"

git force pull

git fetch --all
git reset --hard origin/master

force git pull overwrite

# if working with newer repos where 'master' is now 'main'
git fetch --all
git reset --hard origin/main

how to reference a javascript file in html

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

how to connect a javascript file to html

<script src="name.js">
	//put in your javascript here
</script>