Answers for "import script.js html"

kill process running on port mac

sudo lsof -i :3000

kill -9 <PID>

kill port in mac

npx kill-port 8080

killing a port mac

sudo lsof -i :3000

kill port in mac terminal

sudo lsof -i :5955

kill port mac terminal

sudo lsof -i <Port>
sudo kill -9 <PID>

link javascript to html

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