setTimeout sequeitial

sequential_timeout.js

# node --harmony sequential_timeout.js
# need to install co

var processor = function(timer) {
  return new Promise(function(resolve, reject) {
    setTimeout(resolve, timer * 1000);
  });
}

var serial_timeout = function(timer_arr) {
    var co = require('co');
    co(function *() {
      for (var i = 0; i < timer_arr.length; i++) {
        yield processor(timer_arr[i]);
        console.log("processing... [" + i + "]");
      }
      console.log("finish!");
    });
}


serial_timeout([1, 3, 5, 7, 9, 11, 13, 15]);