$//$ What gets printed out when the client connects to this server?

var net $=$ require$(\text{'}$net$\text{'})$;

console. $log(\text{'}$foo$\text{'})$;

var server $=$ net. createServer$($function$($sock$)\{$

console. $log(\text{'}$bar$\text{'})$;

sock.on$(\text{'}$data$\text{'},$ function$($binaryData$)\{$

console. $log(\text{'}$baz$\text{'})$;

$\})$;

$\})$;

console. $log(\text{'}$qux$\text{'})$;

server.listen$(8080,\text{'}127\mathrm{.}0\mathrm{.}0\mathrm{.}1\text{'})$;

foo and bar

bar and baz

baz and qux

foo and qux

only foo

only bar

only baz

only qux