domain-test.js

var domain = require('domain');

process.on('uncaughtException', function(err) {
  console.log('Pre caught', err.message);
});

var d = domain.create();

d.on('error', function(err) {
  console.log("Domain caught", err.message);
});

d.run(function() {
  process.nextTick(function() {
    throw new Error("Boom");
  });
});

process.on('uncaughtException', function(err) {
  console.log('Post caught', err.message);
});

output.txt

Domain caught Boom
Pre caught Boom
Post caught Boom