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编辑您的代码：
<!DOCTYPE html> <html> <head> <script src="../../ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("#div1").fadeToggle(); $("#div2").fadeToggle("slow"); $("#div3").fadeToggle(3000); }); }); </script> </head> <body> <p>演示带有不同参数的 fadeToggle() 方法。</p> <button>点击这里，使三个矩形淡入淡出</button> <br><br> <div id="div1" style="width:80px;height:80px;background-color:red;"></div> <br> <div id="div2" style="width:80px;height:80px;background-color:green;"></div> <br> <div id="div3" style="width:80px;height:80px;background-color:blue;"></div> </body> </body> </html>
查看结果: