ranju

gistfile1.txt

function foo() {
  op1().then(function(result) {
    return Q.all([op2(), Q(result)]);
  }).then(function(data0, data1) {
    // data[0] is context from previous function
    // data[1] is data for this call
    return Q.all([op3, Q(data1)]);
  }).then(function(data1, data2) {
    // do something with both the contexts
  });
} //test