Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000Error: listen EADDRINUSE: address already in use :::3000
//To find the process id (PID) associated with the port
lsof -i tcp:3000
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 44475 chen5 31u IPv4 0x8b1721168764e4bf 0t0 TCP *:strexec-s (LISTEN)
//Then to kill the process
kill -9 44475Error: listen EADDRINUSE: address already in use :::3000
ps aux | grep node
kill -9 PIDError: listen EADDRINUSE: address already in use :::3000
C:\Windows\System32>taskkill /F /IM node.exe
SUCCESS: The process "node.exe" with PID 11008 has been terminated.how to convert string to int js
let string = "1";
let num = parseInt(string);
//num will equal 1 as a intintval js
parseInt(value);
let string = "321"
console.log(string); // "321" <= string
let number = parseInt(string);
console.log(number) // 321 <=intstring to int javascript
var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256string to number javascript
// Method - 1 ### parseInt() ###
var text = "42px";
var integer = parseInt(text, 10);
// returns 42
// Method - 2 ### parseFloat() ###
var text = "3.14someRandomStuff";
var pointNum = parseFloat(text);
// returns 3.14
// Method - 3 ### Number() ###
Number("123"); // returns 123
Number("12.3"); // returns 12.3
Number("3.14someRandomStuff"); // returns NaN
Number("42px"); // returns NaNhow to change a string to number in javascript
let theInt = parseInt("5.90123"); //5
let theFloat = parseFloat("5.90123"); //5.90123javascript convert string to number or integer
//It accepts two arguments.
//The first argument is the string to convert.
//The second argument is called the radix. This is the base number used in mathematical systems. For our use, it should always be 10.
var text = '42px';
var integer = parseInt(text, 10);
// returns 42Copyright © 2021 Codeinu
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