Answers for "syntax for referring to an external javascript file"

import js in html

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

linking a script .js

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

how to include external javascript in html

<script src="script.js">

how to connect a javascript file to html

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