Jquery 单击功能不适用于动态元素

var questlist = [{
  "startdate": "2015-01-08",
  "questitem": [

    {
      "questid": "1",
      "gifttype": "stars",
      "quantity": 10,
      "questname": "One",
      "queststatus": "done"
    }, {
      "questid": "2",
      "gifttype": "stars",
      "quantity": 50,
      "questname": "Two",
      "queststatus": "ready"
    }, {
      "questid": "3",
      "gifttype": "stars",
      "quantity": 100,
      "questname": "Three",
      "queststatus": "complete"
    }, {
      "questid": "4",
      "gifttype": "stars",
      "quantity": 120,
      "questname": "Four",
      "queststatus": "done"
    }, {
      "questid": "5",
      "gifttype": "stars",
      "quantity": 220,
      "questname": "Five",
      "queststatus": "ready"
    },

  ]

}];
questitemlist(questlist);

function questitemlist() {
  var callquest = "<div class='questlist_container'>" +
    "<div id='call_questitem'></div>" +

    "</div>";

  $("#call_quest").append(callquest);
  var questlistobj = questlist[0].questitem;
  $.each(questlistobj, function(i, obj) {
    if (obj.queststatus == "ready") {
      var questlist_item_button = "<input type='button' id='questlist_item_button_go" + obj.questid + "' class='questlist_item_button' id='questlist_item_button' value='GO !'/>";
      $("#questlist_item_button_go" + obj.questid).click(function() {
        alert("go");

      });
      console.log("#questlist_item_button_go" + obj.questid);
    } else if (obj.queststatus == "done") {
      var questlist_item_button = "<input type='button' id='questlist_item_button_reward" + obj.questid + "' class='questlist_item_button' id='questlist_item_button' value='REWARD !'/>";
      $("#questlist_item_button_reward" + obj.questid).click(function() {
        alert("reward");

      });
    } else if (obj.queststatus == "complete") {
      var questlist_item_button = "<label class='questlist_item_complete'><img class='questlist_item_img' src='img/check.png'/></label>";

    }

    var questlist_item = "<div class='questlist_item'>" +
      questlist_item_button +
      "<label class='questlist_item_questname'>" + obj.questname + "</label>" +
      "<label class='questlist_item_gifttype'>" + obj.gifttype + " " + obj.quantity + " " + "</label>" +
      "</div>";

    $("#call_questitem").append(questlist_item);

  });

}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="call_quest"></div>