how to stop localhost 3000 code example

Example 1: stop localhost server

netstat -ano | findstr :yourPortNumber
tskill typeyourPIDhere

Example 2: Port 3000 is already in use, but when I try to kill nothing is found

netstat -ano | findstr :3000
taskkill /PID "123" /F

Example 3: stop npm running on port 3000

netstat -ano | findstr :3000
taskkill /F /PID PID_of_port