let connection = mysql.createConnection({

    host: 'localhost',

    user: 'root',

    password: '',

    database: 'todoapp'

});

Code language: JavaScript (javascript)

/*

To download and install the "mysql" module, 

open the Command Terminal and execute the following: npm install mysql  

*/

var mysql = require('mysql');  

var con = mysql.createConnection({  

  host: "localhost",  

  user: "root",  

  password: "12345"  

});  

con.connect(function(err) {  

  if (err) throw err;  

  console.log("Connected!");  

});  

var mysql = require('mysql');  

var con = mysql.createConnection({  

  host: "localhost",  

  user: "root",  

  password: "12345"  

});  

con.connect(function(err) {  

  if (err) throw err;  

  console.log("Connected!");  

});  

var mysql      = require('mysql');

var connection = mysql.createConnection({

  host     : 'example.org',

  user     : 'bob',

  password : 'secret'

});

connection.connect(function(err) {

  if (err) {

    console.error('error connecting: ' + err.stack);

    return;

  }

  console.log('connected as id ' + connection.threadId);

});