An simple xhr request for http getting stuff wraped in an promise so thenable

get.js

var get = function get(url) {
  return promise = new Promise(function(done, reject) {
    var req = new XMLHttpRequest()
    req.onload = function() {
      done(req.response)
    };
    req.onerror = function(e) {
      reject(e)
    }
    req.open('get', url, true);
    req.setRequestHeader('Accept', 'application/json');
    req.send();
    setTimeout(function(){
      reject(new Error('10 seconds is way too long'))
    },10000)
  })
}