当动画样式改变时，为匹配的元素集合内的每个元素添加和移除指定的 Class。
如需了解更多有关 .switchClass() 方法的细节，请查看 API 文档 .switchClass()。
.switchClass() 演示
点击按钮预览特效。
<!doctype html><html lang="en"><head> <meta charset="utf-8"> <title>jQuery UI 特效 - .switchClass() 演示</title> <link rel="stylesheet" href="https://zhishitu.com/"> <script src="/images/2021/06/11/202106110418065475680.js"></script> <script src="/images/2021/06/11/202106110418065478401.js"></script> <link rel="stylesheet" href="https://zhishitu.com/"> <style> .toggler { width: 500px; height: 200px; position: relative; } #button { padding: .5em 1em; text-decoration: none; } #effect { position: relative; } .newClass { width: 240px; padding: 1em; letter-spacing: 0; font-size: 1.2em; margin: 0; } .anotherNewClass { text-indent: 40px; letter-spacing: .4em; width: 410px; height: 100px; padding: 30px; margin: 10px; font-size: 1.6em; } </style> <script> $(function() { $( "#button" ).click(function(){ $( ".newClass" ).switchClass( "newClass", "anotherNewClass", 1000 ); $( ".anotherNewClass" ).switchClass( "anotherNewClass", "newClass", 1000 ); return false; }); }); </script></head><body> <div class="toggler"> <div id="effect" class="newClass ui-corner-all"> Etiam libero neque, luctus a, eleifend nec, semper at, lorem. Sed pede. </div></div><a href="https://zhishitu.com/" id="button" class="ui-state-default ui-corner-all">运行特效</a> </body></html>