Answers for "javascript head link (a)"

Error: listen EADDRINUSE: address already in use :::3000

sudo lsof -i :3000

EADDRINUSE: address already in use :::5000

sudo lsof -i :3000

how to link js to html

<script src="Your-JavaScript-File.js"></script> <!--If JS file is in same folder with HTML file-->

link javascript to html

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