编辑下面的代码:【加编码】
<html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI 旋转器(Spinner) - 溢出</title> <link rel="stylesheet" href="https://libs.baidu.com/jqueryui/1.10.4/css/jquery-ui.min.css"> <script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> <script src="http://jqueryui.com/resources/demos/external/jquery.mousewheel.js"></script> <script src="https://libs.baidu.com/jqueryui/1.10.4/jquery-ui.min.js"></script> <link rel="stylesheet" href="/demo/jqueryui/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>
结果: 【此窗口】 帮助?
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