Untitled

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
    <script type="text/javascript">

    var p1 = new Promise(function(resolve,reject){

      setTimeout(function(){
        console.log('End timeout');
        resolve('ok traitement');
      },2000);

    });


    p1
      .then(function(res){

        return new Promise(function(resolve,reject){
          setTimeout(function(){
            console.log('get '+res);
            resolve('ok '+'get '+res);
          },2000);
        });

      })
      .then(function(res){
        console.log("final : "+res);

      });
// ---------------------------------------------------------------
var p2 = new Promise(function(resolve,reject){
  setTimeout(function(){
    console.log('p2');
    resolve('ok p2');
  },2000);
});
var p3 = new Promise(function(resolve,reject){
  setTimeout(function(){
    console.log('p3');
    resolve('ok p3');
  },4000);
});


Promise.all([p2,p3]).then(function(data){
  console.dir(data);
});


    </script>
  </head>
  <body>

  </body>
</html>