var worker  = new Worker('worker.js');

worker.addEventListener('message', function (event) {

  var message = event.data;


  console.log( message );


}, false);

//  Send an object message to the worker
worker.postMessage({
  "renderer-process": "Hello Worker Process, I'm an object"
});


//  Send a string
worker.postMessage("Hello Worker Process, I'm a string");