在线运行代码 - 菜鸟教程

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 自动完成（Autocomplete） - XML 数据</title>
  <link rel="stylesheet" href="https://apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
  <script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="https://apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
  <link rel="stylesheet" href="jqueryui/style.css.html">
  <style>.ui-autocomplete-loading { background: white url('images/ui-anim_basic_16x16.gif.html') right center no-repeat; }
  </style>
  <script>
  $(function() {
    function log( message ) {
      $( "<div/>" ).text( message ).prependTo( "#log" );
      $( "#log" ).attr( "scrollTop", 0 );
    }
 
    $.ajax({
      url: "london.xml",
      dataType: "xml",
      success: function( xmlResponse ) {
        var data = $( "geoname", xmlResponse ).map(function() {
          return {
            value: $( "name", this ).text() + ", " +
              ( $.trim( $( "countryName", this ).text() ) || "(unknown country)" ),
            id: $( "geonameId", this ).text()
          };
        }).get();
        $( "#birds" ).autocomplete({
          source: data,
          minLength: 0,
          select: function( event, ui ) {
            log( ui.item ?
              "Selected: " + ui.item.value + ", geonameId: " + ui.item.id :
              "Nothing selected, input was " + this.value );
          }
        });
      }
    });
  });
  </script>
</head>
<body>
 
<div class="ui-widget">
  <label for="birds">London 匹配：</label>
  <input id="birds">
</div>
 
<div class="ui-widget" style="margin-top:2em; font-family:Arial">
  结果：
  <div id="log" style="height: 200px; width: 300px; overflow: auto;" class="ui-widget-content"></div>
</div>
 
 
</body>
</html>
源代码

动行结果
