promise-all.md

var clean = () => {
  return new Promise((resolve, reject) => {
    
    let clean = false;
    if (!clean) {
      resolve('clean');        
    } else {
      reject('not clean');
    }
    
  });
}

var remove = (message) => {
  return new Promise((resolve, reject) => {
    resolve(message + ' remove');
  });
}

var won = (message) => {
  return new Promise((resolve, reject) => {
    
    let win = false;
    if (win) {
      resolve(message + ' won');    
    } else {
      reject('not won');
    }
    
  });
}

Promise.all([clean(), remove(), won()]).then(result => {
  console.log('all finished');
}).catch(result => {
  console.log('Error in process, Error: ' + result);
});