self.addEventListener('message', function (event) {
  var message = event.data;


  //  IF BOOLEAN
  if ( typeof message === 'boolean' ) {
    message = 'boolean: ' + message.toString();
  }
  //  ALL OTHER MESSAGE TYPES
  else {

    //  IF STRING OR ARRAY
    if ( message.length ) {
      //  IF STRING
      if ( typeof message == 'string' ) {
        message += ', Hello Renderer Process';
      }
      else {
        var len     = message.length + 1,
            floor   = len,
            ceil    = floor * 2;


        for ( ; floor < ceil; floor++ ) {
          message.push(floor);
        }
      }
    }
    //  IF OBJECT
    else {
      message['worker-process'] = 'Hello Renderer Process';
    }
  }

  this.postMessage(message);


}, false);