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) - 默认功能</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() { var spinner = $( "#spinner" ).spinner(); $( "#disable" ).click(function() { if ( spinner.spinner( "option", "disabled" ) ) { spinner.spinner( "enable" ); } else { spinner.spinner( "disable" ); } }); $( "#destroy" ).click(function() { if ( spinner.data( "ui-spinner" ) ) { spinner.spinner( "destroy" ); } else { spinner.spinner(); } }); $( "#getvalue" ).click(function() { alert( spinner.spinner( "value" ) ); }); $( "#setvalue" ).click(function() { spinner.spinner( "value", 5 ); }); $( "button" ).button(); }); </script> </head> <body> <p> <label for="spinner">选择一个值:</label> <input id="spinner" name="value"> </p> <p> <button id="disable">切换禁用/启用</button> <button id="destroy">切换部件</button> </p> <p> <button id="getvalue">获取值</button> <button id="setvalue">设置值为 5</button> </p> </body> </html>
结果: 【此窗口】 帮助?
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