[Vlasenko Fedor]

var data = [{
    "type": "email",
    "subtype": "",
    "contact": "9651139 383 @mail.ru",
    "ext": ""
  }, {
    "type": "email",
    "subtype": null,
    "contact": "alex@ bab iev.com",
    "ext": ""
  }, {
    "type": "tel",
    "subtype": "",
    "contact": "123",
    "ext ": " "
  }, {
    "type": "tel",
    "subtype": "",
    "contact": "123",
    "ext ": " "
  }];

  for (var el, i = 0; i < data.length; i++) {
    el = data[i];
    alert(el.type + "\r\n" + el.subtype + "\r\n" + el.contact + "\r\n" + el.ext);
  }