Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
Error: listen EADDRINUSE: address already in use :::9000
step-1 Enter commond to see running ports & processes
ps -ef
step-2 To stop port and processes
sudo kill {PID}
include script in html
<script type="text/javascript" src="/path/to/script.js"></script>
how to enter javascript in html
<script type="text/javascript">
alert("This alert box was called with the onload event");
</script>
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