script src tag in html
<script type="text/javascript"
src="file.js">
</script>how to link js to html
<script src="Your-JavaScript-File.js"></script> <!--If JS file is in same folder with HTML file--><script type="text/javascript"
src="file.js">
</script><script src="Your-JavaScript-File.js"></script> <!--If JS file is in same folder with HTML file-->