溢出旋转器限制范围从 -10 到 10。对于 10 以上的值,会溢出到 -10,反之亦然。

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 旋转器(Spinner) - 溢出</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.9.1.js"></script>
  <script src="http://jqueryui.com/resources/demos/external/jquery.mousewheel.js"></script>
  <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
  <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
  <script>
  $(function() {
    $( "#spinner" ).spinner({
      spin: function( event, ui ) {
        if ( ui.value > 10 ) {
          $( this ).spinner( "value", -10 );
          return false;
        } else if ( ui.value < -10 ) {
          $( this ).spinner( "value", 10 );
          return false;
        }
      }
    });
  });
  </script>
</head>
<body>
 
<p>
  <label for="spinner">选择一个值:</label>
  <input id="spinner" name="value">
</p>
 
 
</body>
</html>