content/test/data/workers/messageport_worker.js

   1 onconnect = function(event) {
   2   var port = event.ports[0];
   3   port.postMessage("Worker connected.");
   4   port.onmessage = function(event2) {
   5     port.postMessage("Worker got a port.");
   6     var anotherport = event2.data.port;
   7     anotherport.start();
   8     anotherport.onmessage = function(event3) {
   9       anotherport.postMessage("Worker got a message via the passed port.");
  10     };
  11   };
  12 }