var socket = io.connect('http://localhost:8080'); socket.on('hello', function (data) { console.log(data); socket.emit("registerMapRequester", {instanceID: '1611985668'}); socket.on("displayChunk", function(chunk){ console.log(chunk) }); }); function requestChunk(x,y){ socket.emit('requestChunk', {x:x, y:y, instanceID: '1611985668'}); }