Answers for "script in js file, use it in html"

kill all server 5000 mac

#First run this, to get port information (with the port you want to kill)
sudo lsof -i :3000 

#Then run this, with <PID> replaced by the value in the column returned by previous command.
kill -9 <PID>

kill process running on port mac

sudo lsof -i :3000

kill -9 <PID>

kill app at port

#To list any process listening to the port 8080:
lsof -i:8080

#To kill any process listening to the port 8080:
kill $(lsof -t -i:8080)

#or more violently:
kill -9 $(lsof -t -i:8080)

stop port 3000 mac

sudo lsof -i :3000
kill -9 PID

mac terminal find process by port

sudo lsof -i tcp:3000

kill port in mac

npx kill-port 8080

import js in html

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

how to link javascript to html

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