connect to mysql database via node js code example

Example: use nodejs mysql

var mysql      = require('mysql');var connection = mysql.createConnection({  host     : 'localhost',  user     : 'me',  password : 'secret',  database : 'my_db'}); connection.connect(); connection.query('SELECT 1 + 1 AS solution', function (error, results, fields) {  if (error) throw error;  console.log('The solution is: ', results[0].solution);}); connection.end();