Question

这是《刑法》:

  $(document).ready(function(){

    $("button").click(function(e) {
      var value;

      switch ($("button").index(this)) {
        case 0 :
          value = $("div").data("blah");
          break;
        case 1 :
          $("div").data("blah", "hello");
          value = "Stored!";
          break;
        case 2 :
          $("div").data("blah", 86);
          value = "Stored!";
          break;
        case 3 :
          $("div").removeData("blah");
          value = "Removed!";
          break;
      }

      $("span").text("" + value);
    });

  });
  </script>
  <style>
  div { margin:5px; background:yellow; }
  button { margin:5px; font-size:14px; }
  p { margin:5px; color:blue; }
  span { color:red; }
  </style>
  <div>A div</div>
  <button>Get "blah" from the div</button>
  <button>Set "blah" to "hello"</button>
  <button>Set "blah" to 86</button>
  <button>Remove "blah" from the div</button>
  <p>The "blah" value of this div is <span>?</span></p>

但是,如何获得所有数据(因为某些关键名称不知情)?

感谢

Answer 1

可查阅。



$("div").data() //returns object


这一目标将具备所有关键因素,例如:

$("div").data("thing") //returns "value"

<代码>$(“div”).data()将至少退回:

{ thing: "value" }

Answer 2

JQuery documentation: 。

$("div").data();

友情链接