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rogerin

Untitled

Mar 9th, 2017
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  1.  var itens = [1,2,3,46];
  2.  
  3.  var fn = function duplica(v) {
  4.  return new Promise(resolve => setTimeout(() => resolve(v*2), 1000));
  5.  }
  6.  
  7.  var acao = itens.map(fn);
  8.  
  9.  var resultados = Promise.all(acao);
  10.  resultados.then(data => console.log(data))
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