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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(){ $("#p1").css("color","red") .slideUp(2000) .slideDown(2000); }); }); </script> </head> <body> <p id="p1">jQuery 乐趣十足！</p> <button>点击这里</button> </body> </html>
查看结果: