cannot connect mysql with nodejs

I am absolutely new to node.js. while Iam trying to connect mysql with node.js I got this. Really looking for a help.

{ Error: connect ECONNREFUSED 127.0.0.1:3306 at Object.exports._errnoException (util.js:1022:11) at exports._exceptionWithHostPort (util.js:1045:20)

at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1087:14)

at Protocol._enqueue >(/Applications/MAMP/htdocs/htbf/nodejsdb/mysql/node_modules/mysql/lib/protocol/Protocol.js:141:48) at Protocol.handshake (/Applications/MAMP/htdocs/htbf/nodejsdb/mysql/node_modules/mysql/lib/protocol/Protocol.js:52:41) at Connection.connect (/Applications/MAMP/htdocs/htbf/nodejsdb/mysql/node_modules/mysql/lib/Connection.js:130:18) at Connection._implyConnect (/Applications/MAMP/htdocs/htbf/nodejsdb/mysql/node_modules/mysql/lib/Connection.js:461:10) at Connection.query (/Applications/MAMP/htdocs/htbf/nodejsdb/mysql/node_modules/mysql/lib/Connection.js:206:8) at Object. (/Applications/MAMP/htdocs/htbf/nodejsdb/mysql/app1.js:10:12) at Module._compile (module.js:570:32) at Object.Module._extensions..js (module.js:579:10) at Module.load (module.js:487:32) at tryModuleLoad (module.js:446:12) code: 'ECONNREFUSED', errno: 'ECONNREFUSED', syscall: 'connect', address: '127.0.0.1', port: 3306, fatal: true }

via Sathiya Anbu