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<!DOCTYPE html>
<html>
<head>
<script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<meta charset=utf-8 />
<title>JS Bin</title>
<!--[if IE]>
  <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<style>
  article, aside, figure, footer, header, hgroup, 
  menu, nav, section { display: block; }
</style>
</head>
<body>
  <select id="select">
    
  </select>
</body>
</html>
 
var objs = [
  { id: 1, value: "One", type: "number" },
  { id: 2, value: "Two", type: "number" },
  { id: 3, value: "Three", type: "number" },
  { id: "A", value: "A", type: "char" },
  { id: "B", value: "B", type: "char" },
  { id: "C", value: "C", type: "char" },
  ];
var options = $.map(objs, function(item, idx) {
  var opt = $("<option/>").val(item.id).text(item.value);
  opt[0]["obj"] = item;
  return opt;
});
             
$.fn.append.apply($("#select"), options)
  .change(function() {
    $("#select option:selected")
      .each(function(){
        alert(this.obj.type);
      });
  });
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