If node server is down. How to get error handling on socket.io

Question

How can i detect server status ?

var socket= io.connect(\'http://nodeserver.com:3000\');

Here is my code. If nodeserver.com:3000

Answer 1

for checking "disconect" of a socket you can you this code :

io.socket.on('connect', function(){
  console.log('connected to server ...');

});

io.socket.on('disconnect', function(){
  console.log('Lost connection to server');
});