promise.js

var Promise = require('es6-promise').Promise;

function test(a) {
  return new Promise( function(resolve, reject){

    console.log( 'Running %s', a );
    setTimeout( resolve.bind( this, 'dønn ' + a ), 5000);
  });
}


var set = [];
for ( var i = 0; i < 10; i++ ) {

  set.push( test( 'instance' + i ) );

}

setTimeout( function() {

  console.log( 'Starting all()' );

  Promise.all( set )
    .then( function( res ) {

      console.log( 'All done %s', res );

    });
}, 1000);